Specify that VMWare Fusion is commercial software
Specify that Moom is commercial software
Specify that Parallels is commercial software
Specify that OmniFocus is commercial software
Specify that Kaleidoscope is commercial software
Specify that Skype is free closed software
Specify that Adobe Creative Cloud is commercial software
Specify that Notational Velocity is under GNU GPL
Specify that Spotify is gratis
Specify that Transmission is under GNU GPL

https://trac.transmissionbt.com/browser/trunk/COPYING
Specify that Seil is in the public domain

https://github.com/tekezo/Seil/blob/master/COPYING
Specify that Hex Fiend is under 2-clause BSD

http://ridiculousfish.com/hexfiend/files/License.txt
Specify that ImageOptim is under GNU GPL

https://imageoptim.com/
See "Open Source" section
Specify that Cyberduck is under GNU GPL

https://cyberduck.io/?l=en
See section "We are open"

Source code: https://trac.cyberduck.io
Specify that Java is gratis

Technically, it is open-source: see http://openjdk.java.net/
There are various proprietary closed modules included to OpenJDK that
make it Oracle JDK, however.

Downloading and installing this cask means that you agree to the terms
of Oracle Binary Code License Agreement:

http://www.oracle.com/technetwork/java/javase/terms/license/index.html
Specify that Appzapper is commercial software
Specify that Viscosity is commercial software
Specify that NetNewsWire is commercial software
Merge pull request #6633 from yegortimoschenko/specify-licenses

Specify various licenses