Open Source Acknowledgment

EN01A

Open Source Acknowledgment

Catalogue
1. Introduction.......................................................................................................................... 2
1.1

The disclaimer................................................................................................................. 2

1.2

To get the source code.................................................................................................... 2

2. Products list......................................................................................................................... 3
3. Software packages............................................................................................................. 4
4. Verbatim license texts....................................................................................................... 5
4.1

BSD 3-Clause License .................................................................................................... 5

4.2

BSD 4-Clause License .................................................................................................... 5

4.3

GNU General Public License, Version 2 (GPL 2)............................................................. 6

4.4

GNU General Public License, Version 3 (GPL 3)........................................................... 11

4.5

GNU Lesser General Public License, Version 2.1 (LGPL 2.1) ....................................... 22

4.6

GNU Lesser General Public License, Version 3 (LGPL 3) ............................................. 34

4.7

IJG License................................................................................................................... 38

4.8

libpng License ............................................................................................................... 39

4.9

MIT License .................................................................................................................. 42

4.10 The PHP License, Version 3.01..................................................................................... 43
4.11 Qwt License .................................................................................................................. 44
4.12 SunRPC License........................................................................................................... 45
4.13 Zlib License................................................................................................................... 46

5. Copyrights..........................................................................................................................47

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Open Source Acknowledgment

1.

Introduction

The instrument uses some open source software packages. This document lists the packages andthe respective license information.

1.1

The disclaimer

The open source software is distributed WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PUR- POSE. The respective
licenses may contain more details.

1.2

To get the source code

Some software packets in the instrument are under a license that need us to provide the source code.
You can contact us to get them at no charge.
If you want them, please contact by email:support@siglent.com

SIGLENT TECHNOLOGIES CO., LTD.
https://siglentna.com/

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Open Source Acknowledgment

2.

Products list

SDS5000X

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Open Source Acknowledgment

3.

Software packages

The software contained in the instrument takes use of the following open source software packages.

4

Package

VersionLicense

avahi

0.7

LPGL 2.1

busybox1.26.0

GPL 2

glog

0.3.3

BSD 3-Clauselibjpeg

9b

IJG License

libpng1.5.8

Libpng Licenselibxml2

2.7.8

MIT License

lighttpd

1.4.35

BSD-3-Clause

linux

3.19.0

GPL 2

ne10

1.2.1

BSD 3-Clausenss-mdns

0.10

LGPL 2.1 or later

ntfs-3g

2017.3.23

GPL 2 or later

php

5.4.5

PHP License 3.01

portmap

6.0

BSD-4-Clause/SunRPC License

Qt Core5.6.2

LGPL 3Qt Concurrent

5.6.2

LGPL 3Qt Gui

5.6.2

LGPL 3Qt Print Support

5.6.2

LGPL 3Qt Svg

5.6.2

LGPL 3

Qt Widgets

5.6.2

LGPL 3

Qt Xml5.6.2

LGPL 3qwt

6.1.2

Qwt Licenseu-boot2014.07

GPL 2 or later

zlib

1.2.7

Zlib Licensei n t.si glent.com

Open Source Acknowledgment

4.

Verbatim license texts

4.1

BSD 3-Clause License

Copyright (c) <year>, <copyright holder>. All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided
that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this list of conditions andthe following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions andthe following disclaimer in the documentation and/or other materials provided with the distribution.
3. Neither the name of the <organization> nor the names of its contributors may be used to endorse
or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBU- TORS "AS
IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT- NESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLEFOR

ANY

DIRECT,

INDIRECT,

INCIDENTAL,

SPECIAL,

EXEMPLARY,ORCONSEQUENTIAL DAM- AGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OFSUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINES SINTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLI- GENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.

4.2

BSD 4-Clause License

Copyright (c) <year> <owner>. All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided
that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this list of conditions andthe following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions andthe following disclaimer in the documentation and/or other materials provided with the distribution.
3. All advertising materials mentioning features or use of this software must display the following
acknowledgement:

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Open Source Acknowledgment

This product includes software developed by the organization.
4. Neither the name of the copyright holder nor the names the copyright holder nor the names of its
contributors may be used to endorse or promote products derived from this software without specificprior written permission.
THIS SOFTWARE IS PROVIDED BY COPYRIGHT HOLDER "AS IS" AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
EVENT SHALL COPYRIGHT HOLDER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISEDOF THE POSSIBILITY OF SUCH DAMAGE.

4.3

GNU General Public License, Version 2 (GPL 2)

Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA

Everyone is permitted to copy and distribute verbatim copies of this license document, but changing
it is not allowed.

Preamble

The licenses for most software are designed to take away your freedom to share and change it. By
contrast, the GNU General Public License is intended to guarantee your freedom to share and change
free software--to make sure the software is free for all its users. This General Public License applies
to most of the Free Software Foundation's software and to any other program whose authors commit
to using it. (Some other Free Software Foundation software is covered by the GNU Library General
Public License instead.) You can apply it to your programs, too.
When we speak of free software, we are referring to freedom, not price. Our General Public Licenses
are designed to make sure that you have the freedom to distribute copies of free software (and charge
for this service if you wish), that you receive source code or can get it if you want it, that you canchange the software or use pieces of it in new free programs; and that you know you can do thesethings.
To protect your rights, we need to make restrictions that forbid anyone to deny you these rights or to6

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Open Source Acknowledgment

ask you to surrender the rights. These restrictions translate to certain responsibilities for you if you
distribute copies of the software, or if you modify it.
For example, if you distribute copies of such a program, whether gratis or for a fee, you must give therecipients all the rights that you have. You must make sure that they, too, receive or can get thesource code. And you must show them these terms so they know their rights.
We protect your rights with two steps: (1) copyright the software, and (2) offer you this license which
gives you legal permission to copy, distribute and/or modify the software.
Also, for each author's protection and ours, we want to make certain that everyone understands that
there is no warranty for this free software. If the software is modified by someone else and passed
on, we want its recipients to know that what they have is not the original, so that any problems
introduced by others will not reflect on the original authors' reputations.
Finally, any free program is threatened constantly by software patents. We wish to avoid the danger
that redistributors of a free program will individually obtain patent licenses, in effect making the
program proprietary. To prevent this, we have made it clear that any patent must be licensed foreveryone's free use or not licensed at all.
The precise terms and conditions for copying, distribution and modification follow.

GNU GENERAL PUBLIC LICENSETERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

0. This License applies to any program or other work which contains a notice placed by the copyrightholder saying it may be distributed under the terms of this General Public License. The "Program",
below, refers to any such program or work, and a "work based on the Program" means either the
Program or any derivative work under copy- right law: that is to say, a work containing the Programor a portion of it, either verbatim or with modifications and/or translated into another language.
(Hereinafter, translation is included without limitation in the term "modification".) Each licensee isaddressed as "you".
Activities other than copying, distribution and modification are not covered by this License; they areoutside its scope. The act of running the Program is not restricted, and the output from the Program
is covered only if its contents constitute a work based on the Program (independent of having been
made by running the Program). Whether that is true depends on what the Program does.

1. You may copy and distribute verbatim copies of the Program's source code as you receive it, in
any medium, provided that you conspicuously and appropriately publish on each copy an appropriate
copyright notice and disclaimer of warranty; keep intact all the notices that refer to this License andto the absence of any warranty; and give any other recipients of the Program a copy of this Licensealong with the Program.

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Open Source Acknowledgment

You may charge a fee for the physical act of transferring a copy, and you may at your option offer
warranty protection in exchange for a fee.

2. You may modify your copy or copies of the Program or any portion of it, thus forming a work basedon the Program, and copy and distribute such modifications or work under the terms of Section 1
above, provided that you also meet all of these conditions:a) You must cause the modified files to carry prominent notices stating that you changed the files andthe date of any change.
b) You must cause any work that you distribute or publish, that in whole or in part contains or isderived from the Program or any part thereof, to be licensed as a whole at no charge to all third parties
under the terms of this License.
c) If the modified program normally reads commands interactively when run, you must cause it, whenstarted running for such interactive use in the most ordinary way, to print or display an announcement
including an appropriate copyright notice and a notice that there is no warranty (or else, saying thatyou provide a warranty) and that users may redistribute the program under these conditions, andtelling the user how to view a copy of this License. (Exception: if the Program it self is interactive but
does not normally print such an announcement, your work based on the Program is not required toprint an announcement.)
These requirements apply to the modified work as a whole. If identifiable sections of that work are notderived from the Program, and can be reasonably considered independent and separate works inthemselves, then this License, and its terms, do not apply to those sections when you distribute themas separate works. But when you dis- tribute the same sections as part of a whole which is a work
based on the Program, the distribution of the whole must be on the terms of this License, whose
permissions for other licensees extend to the entire whole, and thus to each and every part regardlessof who wrote it.
Thus, it is not the intent of this section to claim rights or contest your rights to work writ - ten entirely
by you; rather, the intent is to exercise the right to control the distribution of derivative or collective
works based on the Program.
In addition, mere aggregation of another work not based on the Program with the Pro - gram (or witha work based on the Program) on a volume of a storage or distribution medium does not bring theother work under the scope of this License.

3. You may copy and distribute the Program (or a work based on it, under Section 2) in object codeor executable form under the terms of Sections 1 and 2 above provided that you also do one of thefollowing:a) Accompany it with the complete corresponding machine-readable source code, which must be
distributed under the terms of Sections 1 and 2 above on a medium customarily used for softwareinterchange; or,8i n t.si glent.com

Open Source Acknowledgmentb) Accompany it with a written offer, valid for at least three years, to give any third party, for a charge
no more than your cost of physically performing source distribution, a complete machine -readable
copy of the corresponding source code, to be distributed under the terms of Sections 1 and 2 above
on a medium customarily used for software interchange; or,c) Accompany it with the information you received as to the offer to distribute corresponding sourcecode. (This alternative is allowed only for noncommercial distribution and only if you received theprogram in object code or executable form with such an offer, in accord with Subsection b above.)
The source code for a work means the preferred form of the work for making modifications to it. For
an executable work, complete source code means all the source code for all modules it contains, plus
any associated interface definition files, plus the scripts used to control compilation and installation of
the executable. However, as a special exception, the source code distributed need not include
anything that is normally dis- tributed (in either source or binary form) with the major components(compiler, kernel, and so on) of the operating system on which the executable runs, unless thatcomponent itself accompanies the executable.
If distribution of executable or object code is made by offering access to copy from a designated place,then offering equivalent access to copy the source code from the same place counts as distributionof the source code, even though third parties are not compelled to copy the source along with theobject code.

4. You may not copy, modify, sublicense, or distribute the Program except as expressly provided
under this License. Any attempt otherwise to copy, modify, sublicense or dis - tribute the Program isvoid, and will automatically terminate your rights under this License. However, parties who havereceived copies, or rights, from you under this License will not have their licenses terminated so longas such parties remain in full compliance.

5. You are not required to accept this License, since you have not signed it. However, nothing else
grants you permission to modify or distribute the Program or its derivative works. These actions areprohibited by law if you do not accept this License. There- fore, by modifying or distributing theProgram (or any work based on the Program), you indicate your acceptance of this License to do so,
and all its terms and conditions for copying, distributing or modifying the Program or works based onit.

6. Each time you redistribute the Program (or any work based on the Program), the recipient
automatically receives a license from the original licensor to copy, distribute or modify the Program
subject to these terms and conditions. You may not impose any further restrictions on the recipients'
exercise of the rights granted herein. You are not responsible for enforcing compliance by third parties
to this License.

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Open Source Acknowledgment

7. If, as a consequence of a court judgment or allegation of patent infringement or for any other reason(not limited to patent issues), conditions are imposed on you (whether by court order, agreement orotherwise) that contradict the conditions of this License, they do not excuse you from the conditionsof this License. If you cannot dis- tribute so as to satisfy simultaneously your obligations under thisLicense and any other pertinent obligations, then as a consequence you may not distribute theProgram at all. For example, if a patent license would not permit royalty-free redistribution of theProgram by all those who receive copies directly or indirectly through you, then the only way you
could satisfy both it and this License would be to refrain entirely from distribution of the Program.
If any portion of this section is held invalid or unenforceable under any particular circumstance, thebalance of the section is intended to apply and the section as a whole is intended to apply in othercircumstances.
It is not the purpose of this section to induce you to infringe any patents or other property right claims
or to contest validity of any such claims; this section has the sole purpose of protecting the integrityof the free software distribution system, which is implemented by public license practices. Many
people have made generous contributions to the wide range of software distributed through thatsystem in reliance on consistent application of that system; it is up to the author/donor to decide if heor she is willing to distribute software through any other system and a licensee cannot impose thatchoice.
This section is intended to make thoroughly clear what is believed to be a consequence of the rest of
this License.

8. If the distribution and/or use of the Program is restricted in certain countries either by patents or bycopyrighted interfaces, the original copyright holder who places the Pro - gram under this License may
add an explicit geographical distribution limitation excluding those countries, so that distribution ispermitted only in or among countries not thus excluded. In such case, this License incorporates thelimitation as if written in the body of this License.

9. The Free Software Foundation may publish revised and/or new versions of the General Public
License from time to time. Such new versions will be similar in spirit to the present version, but may
differ in detail to address new problems or concerns.
Each version is given a distinguishing version number. If the Program specifies a version number ofthis License which applies to it and "any later version", you have the option of following the terms andconditions either of that version or of any later version published by the Free Software Foundation. If
the Program does not specify a version number of this License, you may choose any version everpublished by the Free Soft- ware Foundation.

10. If you wish to incorporate parts of the Program into other free programs whose distribution
conditions are different, write to the author to ask for permission. For software which is copyrighted

10

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Open Source Acknowledgmentby the Free Software Foundation, write to the Free Software Foundation; we sometimes makeexceptions for this. Our decision will be guided by the two goals of preserving the free status of allderivatives of our free software and of promoting the sharing and reuse of software generally.

NO WARRANTY

11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTYFOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLD- ERS AND/OR OTHER PARTIESPROVIDE THE PROGRAM "AS IS" WITHOUT WAR- RANTY OF ANY KIND, EITHER EXPRESSEDOR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO
THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,REPAIR OR CORRECTION.

12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILLANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,INCLUDING ANY GENERAL, SPECIAL, INCIDEN- TAL OR CONSEQUENTIAL DAMAGESARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT
LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSESSUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATEWITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN
ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

END OF TERMS AND CONDITIONS

4.4

GNU General Public License, Version 3 (GPL 3)

Version 3, 29 June 2007

Copyright © 2007 Free Software Foundation.

Everyone is permitted to copy and distribute verbatim copies of this license document, but changing
it is not allowed.

Preamble

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Open Source Acknowledgment

The GNU General Public License is a free, copyleft license for software and other kinds of works.
The licenses for most software and other practical works are designed to take away your freedom toshare and change the works. By contrast, the GNU General Public License is intended to guarantee
your freedom to share and change all versions of a program--to make sure it remains free software
for all its users. We, the Free Software Foundation, use the GNU General Public License for most of
our software; it applies also to any other work released this way by its authors. You can apply it toyour programs, too.
When we speak of free software, we are referring to freedom, not price. Our General Public Licenses
are designed to make sure that you have the freedom to distribute copies of free software (and charge
for them if you wish), that you receive source code or can get it if you want it, that you can change
the software or use pieces of it in new free programs, and that you know you can do these things.
To protect your rights, we need to prevent others from denying you these rights or asking you tosurrender the rights. Therefore, you have certain responsibilities if you distribute copies of thesoftware, or if you modify it: responsibilities to respect the freedom of others.
For example, if you distribute copies of such a program, whether gratis or for a fee, you must pass onto the recipients the same freedoms that you received. You must make sure that they, too, receive or
can get the source code. And you must show them these terms so they know their rights.
Developers that use the GNU GPL protect your rights with two steps: (1) assert copy - right on thesoftware, and (2) offer you this License giving you legal permission to copy, distribute and/or modifyit.
For the developers' and authors' protection, the GPL clearly explains that there is no warranty for thisfree software. For both users' and authors' sake, the GPL requires that modified versions be marked
as changed, so that their problems will not be attributed erroneously to authors of previous versions.
Some devices are designed to deny users access to install or run modified versions of the software
inside them, although the manufacturer can do so. This is fundamentally incompatible with the aim ofprotecting users' freedom to change the software. The systematic pattern of such abuse occurs in thearea of products for individuals to use, which is precisely where it is most unacceptable. Therefore,
we have designed this version of the GPL to prohibit the practice for those products. If such problems
arise substantially in other domains, we stand ready to extend this provision to those domains in futureversions of the GPL, as needed to protect the freedom of users.
Finally, every program is threatened constantly by software patents. States should not allow patents
to restrict development and use of software on general-purpose computers, but in those that do, wewish to avoid the special danger that patents applied to a free program could make it effectively
proprietary. To prevent this, the GPL assures that patents cannot be used to render the program nonfree.
The precise terms and conditions for copying, distribution and modification follow.

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Open Source Acknowledgment

TERMS AND CONDITIONS

0. Definitions.
“This License” refers to version 3 of the GNU General Public License.
“Copyright” also means copyright-like laws that apply to other kinds of works, such as semiconductor
masks.
“The Program” refers to any copyrightable work licensed under this License. Each licensee isaddressed as “you”. “Licensees” and “recipients” may be individuals or organizations.
To “modify” a work means to copy from or adapt all or part of the work in a fashion requiring copyright
permission, other than the making of an exact copy. The resulting work is called a “modified version”
of the earlier work or a work “based on” the earlier work.
A “covered work” means either the unmodified Program or a work based on the Pro - gram.
To “propagate” a work means to do anything with it that, without permission, would make you directlyor secondarily liable for infringement under applicable copyright law, except executing it on acomputer or modifying a private copy. Propagation includes copying, distribution (with or without
modification), making available to the public, and in some countries other activities as well.
To “convey” a work means any kind of propagation that enables other parties to make or receive
copies. Mere interaction with a user through a computer network, with no transfer of a copy, is notconveying.
An interactive user interface displays “Appropriate Legal Notices” to the extent that it includes aconvenient and prominently visible feature that (1) displays an appropriate copyright notice, and (2)tells the user that there is no warranty for the work (except to the extent that warranties ar e provided),that licensees may convey the work under this License, and how to view a copy of this License. If theinterface presents a list of user commands or options, such as a menu, a prominent item in the list
meets this criterion.

1. Source Code.
The “source code” for a work means the preferred form of the work for making modifications to it.
“Object code” means any non-source form of a work.
A “Standard Interface” means an interface that either is an official standard defined by a recognized
standards body, or, in the case of interfaces specified for a particular programming language, onethat is widely used among developers working in that language.
The “System Libraries” of an executable work include anything, other than the work as a whole, that(a) is included in the normal form of packaging a Major Component, but which is not part of that Major
Component, and (b) serves only to enable use of the work with that Major Component, or to implementa Standard Interface for which an implementation is available to the public in source code form. A“Major Component”, in this context, means a major essential component (kernel, window system, andso on) of the specific operating system (if any) on which the executable work runs, or a com- piler

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Open Source Acknowledgmentused to produce the work, or an object code interpreter used to run it.
The “Corresponding Source” for a work in object code form means all the source code needed togenerate, install, and (for an executable work) run the object code and to modify the work, including
scripts to control those activities. However, it does not include the work's System Libraries, or generalpurpose tools or generally available free programs which are used unmodified in performing those
activities but which are not part of the work. For example, Corresponding Source includes interface
definition files associated with source files for the work, and the source code for shared libraries anddynamically linked subprograms that the work is specifically designed to require, such as by intimate
data communication or control flow between those subprograms and other parts of the work.
The Corresponding Source need not include anything that users can regenerate automatically fromother parts of the Corresponding Source.
The Corresponding Source for a work in source code form is that same work.

2. Basic Permissions.
All rights granted under this License are granted for the term of copyright on the Pro - gram, and are
irrevocable provided the stated conditions are met. This License explicitly affirms your unlimited
permission to run the unmodified Program. The output fr om running a covered work is covered by thisLicense only if the output, given its content, constitutes a covered work. This License acknowledges
your rights of fair use or other equivalent, as provided by copyright law.
You may make, run and propagate covered works that you do not convey, without conditions so longas your license otherwise remains in force. You may convey covered works to others for the sole
purpose of having them make modifications exclusively for you, or provide you with facilities forrunning those works, provided that you comply with the terms of this License in conveying all material
for which you do not control copyright. Those thus making or running the covered works for you must
do so exclusively on your behalf, under your direction and control, on terms that prohibit them frommaking any copies of your copyrighted material outside their relationship with you.
Conveying under any other circumstances is permitted solely under the conditions stated below.
Sublicensing is not allowed; section 10 makes it unnecessary.

3. Protecting Users' Legal Rights From Anti-Circumvention Law.
No covered work shall be deemed part of an effective technological measure under any applicablelaw fulfilling obligations under article 11 of the WIPO copyright treaty adopted on 20 December 1996,
or similar laws prohibiting or restricting circumvention of such measures.
When you convey a covered work, you waive any legal power to forbid circumvention of technologicalmeasures to the extent such circumvention is affected by exercising rights under this License withrespect to the covered work, and you disclaim any intention to limit operation or modification of thework as a means of enforcing, against the work's users, your or third parties' legal rights to forbid
circumvention of technological measures.

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Open Source Acknowledgment

4. Conveying Verbatim Copies.
You may convey verbatim copies of the Program's source code as you receive it, in any medium,provided that you conspicuously and appropriately publish on each copy an appropriate copyrightnotice; keep intact all notices stating that this License and any non-permissive terms added in accord
with section 7 apply to the code; keep intact all notices of the absence of any warranty; and give allrecipients a copy of this License along with the Program.
You may charge any price or no price for each copy that you convey, and you may offer support or
warranty protection for a fee.

5. Conveying Modified Source Versions.
You may convey a work based on the Program, or the modifications to produce it from the Program,in the form of source code under the terms of section 4, provided that you also meet all of these
conditionsa) The work must carry prominent notices stating that you modified it, and giving a relevant date.
b) The work must carry prominent notices stating that it is released under this License and any
conditions added under section 7. This requirement modifies the requirement in section 4 to “keepintact all notices”.
c) You must license the entire work, as a whole, under this License to anyone who comes intopossession of a copy. This License will therefore apply, along with any applicable section 7 additionalterms, to the whole of the work, and all its parts, regard- less of how they are packaged. This License
gives no permission to license the work in any other way, but it does not invalidate such permission
if you have separately received it.
d) If the work has interactive user interfaces, each must display Appropriate Legal Notices; however,if the Program has interactive interfaces that do not display Appropriate Legal Notices, your workneed not make them do so.
A compilation of a covered work with other separate and independent works, which are not by theirnature extensions of the covered work, and which are not combined with it such as to form a larger
program, in or on a volume of a storage or distribution medium, is called an “aggregate” if thecompilation and its resulting copyright are not used to limit the access or legal rights of thecompilation's users beyond what the individual works permit. Inclusion of a covered work in an
aggregate does not cause this License to apply to the other parts of the aggregate.

6. Conveying Non-Source Forms.
You may convey a covered work in object code form under the terms of sections 4 and 5, provided
that you also convey the machine-readable Corresponding Source under the terms of this License, in
one of these ways:a) Convey the object code in, or embodied in, a physical product (including a physical distribution

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Open Source Acknowledgment

medium), accompanied by the Corresponding Source fixed on a durable physical medium customarily
used for software interchange.
b) Convey the object code in, or embodied in, a physical product (including a physical distribution
medium), accompanied by a written offer, valid for at least three years and valid for as long as you
offer spare parts or customer support for that product model, to give anyone who possesses the object
code either (1) a copy of the Corresponding Source for all the software in the product that is coveredby this License, on a durable physical medium customarily used for software interchange, for a priceno more than your reasonable cost of physically performing this conveying of source, or (2) accessto copy the Corresponding Source from a network server at no charge.
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4.5

GNU Lesser General Public License, Version 2.1 (LGPL 2.1)

Version 2.1, February 1999

Copyright (C) 1991, 1999 Free Software Foundation, Inc.
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Library side-by-side in a single library together with other libraryfacilities not covered by this License, and distribute such a combined
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the Library and of the other library facilities is otherwise
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based on the Library, uncombined with any other libraryfacilities. This must be distributed under the terms of theSections above.

b) Give prominent notice with the combined library of the factthat part of it is a work based on the Library, and explaining
where to find the accompanying uncombined form of the same work.

8. You may not copy, modify, sublicense, link with, or distributethe Library except as expressly provided under this License. Any
attempt otherwise to copy, modify, sublicense, link with, or
distribute the Library is void, and will automatically terminate yourrights under this License. However, parties who have received copies,
or rights, from you under this License will not have their licenses
terminated so long as such parties remain in full compliance.

9. You are not required to accept this License, since you have notsigned it. However, nothing else grants you permission to modify or
distribute the Library or its derivative works. These actions areprohibited by law if you do not accept this License. Therefore, bymodifying or distributing the Library (or any work based on the
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the Library or works based on it.

10. Each time you redistribute the Library (or any work based on the
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restrictions on the recipients' exercise of the rights granted herein.
You are not responsible for enforcing compliance by third parties withthis License.

11. If, as a consequence of a court judgment or allegation of patent
infringement or for any other reason (not limited to patent issues),
conditions are imposed on you (whether by court order, agreement orotherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot
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may not distribute the Library at all. For example, if a patent
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If any portion of this section is held invalid or unenforceable under any
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It is not the purpose of this section to induce you to infringe any
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Open Source Acknowledgment

This section is intended to make thoroughly clear what is believed to
be a consequence of the rest of this License.

12. If the distribution and/or use of the Library is restricted incertain countries either by patents or by copyrighted interfaces, theoriginal copyright holder who places the Library under this License may add
an explicit geographical distribution limitation excluding those countries,
so that distribution is permitted only in or among countries not thus
excluded. In such case, this License incorporates the limitation as if
written in the body of this License.

13. The Free Software Foundation may publish revised and/or new
versions of the Lesser General Public License from time to time.
Such new versions will be similar in spirit to the present version,
but may differ in detail to address new problems or concerns.

Each version is given a distinguishing version number. If the Libraryspecifies a version number of this License which applies to it and"any later version", you have the option of following the terms andconditions either of that version or of any later version published by
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the Free Software Foundation.

14. If you wish to incorporate parts of the Library into other freeprograms whose distribution conditions are incompatible with these,
write to the author to ask for permission. For software which is
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NO WARRANTY

15. BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO
WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE LAW.
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OTHER PARTIES PROVIDE THE LIBRARY "AS IS" WITHOUT WARRANTY OF ANY
KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULARPURPOSE.

THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE

LIBRARY IS WITH YOU. SHOULD THE LIBRARY PROVE DEFECTIVE, YOU ASSUME
THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.

16. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO INWRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY
AND/OR REDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE, BE LIABLE TO YOU
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FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCHDAMAGES.

END OF TERMS AND CONDITIONS

4.6

GNU Lesser General Public License, Version 3 (LGPL 3)

Version 3, 29 June 2007

Copyright © 2007 Free Software Foundation, Inc. <http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies of thisLicense document, but changing it is not allowed.

This version of the GNU Lesser General Public License incorporates
the terms and conditions of version 3 of the GNU General Public
License, supplemented by the additional permissions listed below.

0. Additional Definitions.
As used herein, “this License” refers to version 3 of the GNU Lesser
General Public License, and the “GNU GPL” refers to version 3 of the
GNU General Public License.

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Open Source Acknowledgment“The Library” refers to a covered work governed by this License,
other than an Application or a Combined Work as defined below.
An “Application” is any work that makes use of an interface provided
by the Library, but which is not otherwise based on the Library.
Defining a subclass of a class defined by the Library is deemed a modeof using an interface provided by the Library.
A “Combined Work” is a work produced by combining or linking an
Application with the Library. The particular version of the Librarywith which the Combined Work was made is also called the “Linked
Version”.
The “Minimal Corresponding Source” for a Combined Work means theCorresponding Source for the Combined Work, excluding any source codefor portions of the Combined Work that, considered in isolation, arebased on the Application, and not on the Linked Version.
The “Corresponding Application Code” for a Combined Work means theobject code and/or source code for the Application, including any data
and utility programs needed for reproducing the Combined Work from theApplication, but excluding the System Libraries of the Combined Work.

1. Exception to Section 3 of the GNU GPL.

You may convey a covered work under sections 3 and 4 of this License
without being bound by section 3 of the GNU GPL.

2. Conveying Modified Versions.

If you modify a copy of the Library, and, in your modifications, afacility refers to a function or data to be supplied by an Applicationthat uses the facility (other than as an argument passed when thefacility is invoked), then you may convey a copy of the modified
version:a) under this License, provided that you make a good faith effort
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Open Source Acknowledgment

function or data, the facility still operates, and performs
whatever part of its purpose remains meaningful, orb) under the GNU GPL, with none of the additional permissions of
this License applicable to that copy.

3. Object Code Incorporating Material from Library Header Files.

The object code form of an Application may incorporate material froma header file that is part of the Library. You may convey such object
code under terms of your choice, provided that, if the incorporated
material is not limited to numerical parameters, data structure
layouts and accessors, or small macros, inline functions and templates(ten or fewer lines in length), you do both of the following:a) Give prominent notice with each copy of the object code that
the Library is used in it and that the Library and its use arecovered by this License.

b) Accompany the object code with a copy of the GNU GPL and thislicense document.

4. Combined Works.

You may convey a Combined Work under terms of your choice that, taken
together, effectively do not restrict modification of the portions of
the Library contained in the Combined Work and reverse engineering fordebugging such modifications, if you also do each of the following:a) Give prominent notice with each copy of the Combined Work that
the Library is used in it and that the Library and its use arecovered by this License.

b) Accompany the Combined Work with a copy of the GNU GPL and thislicense document.

c) For a Combined Work that displays copyright notices duringexecution, include the copyright notice for the Library among36

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Open Source Acknowledgment

these notices, as well as a reference directing the user to the
copies of the GNU GPL and this license document.

d) Do one of the following:0) Convey the Minimal Corresponding Source under the terms ofthis License, and the Corresponding Application Code in a form
suitable for, and under terms that permit, the user torecombine or relink the Application with a modified version of
the Linked Version to produce a modified Combined Work, in themanner specified by section 6 of the GNU GPL for conveying
Corresponding Source.

1) Use a suitable shared library mechanism for linking with
the Library. A suitable mechanism is one that (a) uses at run
time a copy of the Library already present on the user's
computer system, and (b) will operate properly with a modified
version of the Library that is interface-compatible with the
Linked Version.

e) Provide Installation Information, but only if you would
otherwise be required to provide such information under section 6of the GNU GPL, and only to the extent that such information isnecessary to install and execute a modified version of the
Combined Work produced by recombining or relinking the Application
with a modified version of the Linked Version. (If you use option
4d0, the Installation Information must accompany the Minimal
Corresponding Source and Corresponding Application Code. If you
use option 4d1, you must provide the Installation Information in
the manner specified by section 6 of the GNU GPL for conveying
Corresponding Source.)

5. Combined Libraries.

You may place library facilities that are a work based on the Libraryside by side in a single library together with other libraryfacilities that are not Applications and are not covered by thisLicense, and convey such a combined library under terms of yourint.siglent.com

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Open Source Acknowledgment

choice, if you do both of the following:a) Accompany the combined library with a copy of the same work
based on the Library, uncombined with any other libraryfacilities, conveyed under the terms of this License.

b) Give prominent notice with the combined library that part of
it is a work based on the Library, and explaining where to findthe accompanying uncombined form of the same work.

6. Revised Versions of the GNU Lesser General Public License.

The Free Software Foundation may publish revised and/or new versionsof the GNU Lesser General Public License from time to time. Such newversions will be similar in spirit to the present version, but may
differ in detail to address new problems or concerns.

Each version is given a distinguishing version number. If the Libraryas you received it specifies that a certain numbered version of the
GNU Lesser General Public License “or any later version” applies toit, you have the option of following the terms and conditions eitherof that published version or of any later version published by theFree Software Foundation. If the Library as you received it does not
specify a version number of the GNU Lesser General Public License,
you may choose any version of the GNU Lesser General Public License
ever published by the Free Software Foundation.

If the Library as you received it specifies that a proxy can decide
whether future versions of the GNU Lesser General Public License shallapply, that proxy's public statement of acceptance of any version ispermanent authorization for you to choose that version for the Library.

4.7

IJG License

In plain English:
1. We don't promise that this software works. (But if you find any bugs, please let us know!)
2. You can use this software for whatever you want. You don't have to pay us.
3. You may not pretend that you wrote this software.

38

If you use it in a program, you must

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Open Source Acknowledgment

acknowledge somewhere in your documentation that you've used the IJG code.
In legalese:
The authors make NO WARRANTY or representation, either express or implied,with respect to this software, its quality, accuracy, merchantability, or fitness for a particular purpose.
This software is provided "AS IS", and you, its user, assume the entire risk as to its quality andaccuracy.
This software is copyright (C) 1991-2020, Thomas G. Lane, Guido Vollbeding. All Rights Reserved
except as specified below.
Permission is hereby granted to use, copy, modify, and distribute thissoftware (or portions thereof) for any purpose, without fee, subject to these conditions:(1) If any part of the source code for this software is distributed, then thisREADME file must be included, with this copyright and no-warranty notice
unaltered; and any additions, deletions, or changes to the original files
must be clearly indicated in accompanying documentation.
(2) If only executable code is distributed, then the accompanying
documentation must state that "this software is based in part on the work of the Independent JPEG
Group".
(3) Permission for use of this software is granted only if the user accepts
full responsibility for any undesirable consequences; the authors accept
NO LIABILITY for damages of any kind.
These conditions apply to any software derived from or based on the IJG code, not just to theunmodified library. If you use our work, you ought to acknowledge us.
Permission is NOT granted for the use of any IJG author's name or company name in advertising or
publicity relating to this software or products derived from it. This software may be referred to only
as "the Independent JPEG Group's software".
We specifically permit and encourage the use of this software as the basis of commercial products,
provided that all warranty or liability claims are assumed by the product vendor.
The Unix configuration script "configure" was produced with GNU Autoconf.
It is copyright by the Free Software Foundation but is freely distributable.
The same holds for its supporting scripts (config.guess, config.sub,ltmain.sh).

Another support script, install-sh, is copyright by X Consortium but is also freely

distributable.

4.8

libpng License

libpng versions 1.0.7, July 1, 2000, through 1.6.35, July 15, 2018 are
Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson, arederived from libpng-1.0.6, and are distributed according to the same

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Open Source Acknowledgment

disclaimer and license as libpng-1.0.6 with the following individuals
added to the list of Contributing Authors:

Simon-Pierre Cadieux
Eric S. RaymondMans Rullgard
Cosmin Truta
Gilles Vollant
James Yu
Mandar Sahastrabuddhe
Google Inc.
Vadim Barkov

and with the following additions to the disclaimer:

There is no warranty against interference with your enjoyment of
the library or against infringement. There is no warranty that ourefforts or the library will fulfill any of your particular purposesor needs. This library is provided with all faults, and the entire
risk of satisfactory quality, performance, accuracy, and effort iswith the user.

Some files in the "contrib" directory and some configure-generated
files that are distributed with libpng have other copyright owners, andare released under other open source licenses.

libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
Copyright (c) 1998-2000 Glenn Randers-Pehrson, are derived from
libpng-0.96, and are distributed according to the same disclaimer andlicense as libpng-0.96, with the following individuals added to thelist of Contributing Authors:

Tom Lane
Glenn Randers-Pehrson
Willem van Schaik

libpng versions 0.89, June 1996, through 0.96, May 1997, are
Copyright (c) 1996-1997 Andreas Dilger, are derived from libpng-0.88,

40

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Open Source Acknowledgment

and are distributed according to the same disclaimer and license aslibpng-0.88, with the following individuals added to the list ofContributing Authors:

John Bowler
Kevin Bracey
Sam Bushell
Magnus Holmgren
Greg Roelofs
Tom Tanner

Some files in the "scripts" directory have other copyright owners,
but are released under this license.

libpng versions 0.5, May 1995, through 0.88, January 1996, are
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.

For the purposes of this copyright and license, "Contributing Authors"
is defined as the following set of individuals:

Andreas Dilger
Dave Martindale
Guy Eric Schalnat
Paul Schmidt
Tim Wegner

The PNG Reference Library is supplied "AS IS". The Contributing
Authors and Group 42, Inc. disclaim all warranties, expressed or
implied, including, without limitation, the warranties ofmerchantability and of fitness for any purpose. The Contributing
Authors and Group 42, Inc. assume no liability for direct, indirect,
incidental, special, exemplary, or consequential damages, which may
result from the use of the PNG Reference Library, even if advised ofthe possibility of such damage.

Permission is hereby granted to use, copy, modify, and distribute thissource code, or portions hereof, for any purpose, without fee, subject
to the following restrictions:int.siglent.com

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Open Source Acknowledgment

1. The origin of this source code must not be misrepresented.

2. Altered versions must be plainly marked as such and must not
be misrepresented as being the original source.

3. This Copyright notice may not be removed or altered from any
source or altered source distribution.

The Contributing Authors and Group 42, Inc. specifically permit,
without fee, and encourage the use of this source code as a component
to supporting the PNG file format in commercial products. If you use
this source code in a product, acknowledgment is not required but would
be appreciated.

4.9

MIT License

Copyright (c) <year> <copyright holders>Permission is hereby granted, free of charge, to any person obtaining a copy of this software andassociated documentation files (the "Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sellcopies of the Software, and to permit persons to whom the Software is furnished to do so, subject tothe following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial
portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONIN- FRINGEMENT. IN NO EVENT SHALLTHE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

42

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Open Source Acknowledgment

4.10 The PHP License, Version 3.01
Copyright (c) <year>, <copyright holder>. All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, is permitted provided that the following conditions
are met:1. Redistributions of source code must retain the above copyrightnotice, this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyrightnotice, this list of conditions and the following disclaimer inthe documentation and/or other materials provided with the
distribution.

3. The name "PHP" must not be used to endorse or promote products
derived from this software without prior written permission. For
written permission, please contact group@php.net.

4. Products derived from this software may not be called "PHP", nor
may "PHP" appear in their name, without prior written permission
from group@php.net. You may indicate that your software works inconjunction with PHP by saying "Foo for PHP" instead of callingit "PHP Foo" or "phpfoo"

5. The PHP Group may publish revised and/or new versions of thelicense from time to time. Each version will be given a
distinguishing version number.
Once covered code has been published under a particular versionof the license, you may always continue to use it under the termsof that version. You may also choose to use such covered code
under the terms of any subsequent version of the license
published by the PHP Group. No one other than the PHP Group has
the right to modify the terms applicable to covered code createdunder this License.

6. Redistributions of any form whatsoever must retain the following
acknowledgment:
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Open Source Acknowledgment"This product includes PHP software, freely available from<http://www.php.net/software/>".

THIS SOFTWARE IS PROVIDED BY THE PHP DEVELOPMENT TEAM ``AS IS'' AND
ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PHP
DEVELOPMENT TEAM OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS ORSERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISEDOF THE POSSIBILITY OF SUCH DAMAGE.

This software consists of voluntary contributions made by many individuals on behalf of the PHPGroup.

4.11 Qwt License
Version 1.0, January 1, 2003

The Qwt library and included programs are provided under the termsof the GNU LESSER GENERAL PUBLIC LICENSE (LGPL) with the following
exceptions:

1. Widgets that are subclassed from Qwt widgets do notconstitute a derivative work.
2. Static linking of applications and widgets to the
Qwt library does not constitute a derivative workand does not require the author to provide sourcecode for the application or widget, use the shared
Qwt libraries, or link their applications orwidgets against a user-supplied version of Qwt.
If you link the application or widget to a modified
version of Qwt, then the changes to Qwt must be
provided under the terms of the LGPL in sections

44

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Open Source Acknowledgment

1, 2, and 4.
3. You do not have to provide a copy of the Qwt licensewith programs that are linked to the Qwt library, nor
do you have to identify the Qwt license in yourprogram or documentation as required by section 6of the LGPL.

However, programs must still identify their use of Qwt.
The following example statement can be included in user
documentation to satisfy this requirement:[program/widget] is based in part on the work of
the Qwt project (http://qwt.sf.net).

4.12 SunRPC License
Sun RPC is a product of Sun Microsystems, Inc. and is provided forunrestricted use provided that this legend is included on all tape
media and as a part of the software program in whole or part. Users
may copy or modify Sun RPC without charge, but are not authorized
to license or distribute it to anyone else except as part of a product orprogram developed by the user or with the express written consent of
Sun Microsystems, Inc.

SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULARPURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.

Sun RPC is provided with no support and without any obligation on thepart of Sun Microsystems, Inc. to assist in its use, correction,
modification or enhancement.

SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
OR ANY PART THEREOF.

In no event will Sun Microsystems, Inc. be liable for any lost revenue
or profits or other special, indirect and consequential damages, even if

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Open Source Acknowledgment

Sun has been advised of the possibility of such damages.

Sun Microsystems, Inc.
2550 Garcia Avenue
Mountain View, California 94043

4.13 Zlib License
Copyright (c) <year> <copyright holders>This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.

Permission is granted to anyone to use this software for any purpose,including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must notclaim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would beappreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being
the original software.
3. This notice may not be removed or altered from any source distribution.

Jean-loup Gailly

Mark Adler

jloup@gzip.org

madler@alumni.caltech.edu

46

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Open Source Acknowledgment

5.

Copyrights

The following table lists copyright notices for open source software packages (or parts of such
software packages).
PackageversionCopyright

avahi

0.7

Copyright 2004-2015 by the Avahi developers.

busybox1.26.0

Copyright (C) 1989, 1991 Free Software Foundation, Inc.

glog

0.3.3

Copyright (c) 2008, Google Inc.

libjpeg

9b

Copyright (C) 1991-2016, Thomas G. Lane, Guido Vollbeding.

libpng

1.5.8

Copyright (c) 1995-2012 The PNG Reference Library Authors.

libxml2

2.7.8

Copyright (C) 1998-2003 Daniel Veillard. All Rights
Reserved.

lighttpd

1.4.35

Copyright (c) 2004, Jan Kneschke, incremental

linux

3.19.0

Copyright (C) 1989, 1991 Free Software Foundation, Inc.

ne10

1.2.1

Copyright 2012-15 ARM Limited and Contributors.

nss-mdns

0.10

Copyright 2004-2007 Lennart Poettering <mzaffzqaf (at)0pointer (dot) de>

ntfs-3g

2017.3.23

Copyright (C) 1989, 1991 Free Software Foundation, Inc.

php

5.4.5

Copyright (c) 1999 - 2010 The PHP Group.

portmap

6.0

Copyright (c) 1987 Sun Microsystems
Copyright (c) 1990, 1991 The Regents of the University ofCalifornia.

Qt Core5.6.2

Copyright (C) 2007 Free Software Foundation, Inc.

Qt Concurrent

5.6.2

Copyright (C) 2007 Free Software Foundation, Inc.

Qt Gui5.6.2

Copyright (C) 2007 Free Software Foundation, Inc.

Qt Print Support

5.6.2

Copyright (C) 2007 Free Software Foundation, Inc.

Qt Svg5.6.2

Copyright (C) 2007 Free Software Foundation, Inc.

Qt Widgets

5.6.2

Copyright (C) 2007 Free Software Foundation, Inc.

Qt Xml

5.6.2

Copyright (C) 2007 Free Software Foundation, Inc.

qwt

6.1.2

Copyright (C) 1997
Copyright (C) 2002

u-boot2014.07

Copyright 2000 - 2013

zlib

1.2.7

Copyright (C) 1995-2012 Jean-loup Gailly and Mark Adler

int.siglent.com

Josef Wilgen
Uwe Rathmann47About SIGLENTSIGLENT is an international high-tech company, concentrating on R&D, sales,
production and services of electronic test & measurement instruments.
SIGLENT first began developing digital oscilloscopes independently in 2002.

After more than a decade of continuous development, SIGLENT has extended
its product line to include digital oscilloscopes, isolated handheld

oscilloscopes, function/arbitrary waveform generators, RF/MW signal
generators, spectrum analyzers, vector network analyzers, digital multimeters,

DC power supplies, electronic loads and other general purpose test
instrumentation. Since its first oscilloscope was launched in 2005, SIGLENT

has become the fastest growing manufacturer of digital oscilloscopes. We
firmly believe that today SIGLENT is the best value in electronic test &measurement.

Headquarters:
SIGLENT Technologies Co., Ltd

Add: Bldg No.4 & No.5, Antongda Industrial
Zone, 3rd Liuxian Road, Bao'an District,

Shenzhen, 518101, China
Tel: + 86 755 3688 7876

Fax: + 86 755 3359 1582
Email: sales@siglent.com

Website: int.siglent.com

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6557 Cochran Rd Solon, Ohio 44139
Tel: 440-398-5800

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