# List of free-software events

The following is a list of computer conferences and other events focused on developing and using free and open-source software (FOSS).

## General free-software events

Some general-purpose free-software events have Linux in their name, often because they began as Linux-only events before broadening their focus.

### North, Central and South America

* Festival Latinoamericano de Instalación de Software Libre (FLISOL) – Latin American free software install fest held yearly in all Latin America the same day, on the last Sunday of April
* LibrePlanet – Organized yearly by the Free Software Foundation in or around Boston, Massachusetts since 2006
* LinuxFest Northwest, held in Bellingham, Washington in the spring since 2000
* SouthEast LinuxFest, held yearly in June since 2009.
* Southern California Linux Expo (SCALE), held in Los Angeles yearly since 2002

### Europe

* Chaos Communication Congress, held in Germany in the week between Christmas and New Year since 1984
* Chemnitz Linux Days, held in Chemnitz, Germany since 1999
* DevConf.cz, held yearly in Brno, Czech Republic since 2009
* Fosscomm, held yearly in a different Greek city since 2008
* FOSDEM, held in Brussels, Belgium every February since 2001
* FrOSCon, held in Sankt Augustin (near Bonn), Germany since 2006
* Linux Vacation / Eastern Europe, held in Belarus every summer since 2005
* SFSCON, held in Bolzano, Italy since 2004

### Asia and Australia

* FOSSASIA, held yearly in Singapore, Vietnam, Thailand, India or China since 2009
* COSCUP, held yearly in Taiwan since 2006
* linux.conf.au, held in Australia or New Zealand in the (Southern Hemisphere) summer since 1999

### International

* Open Source Summit, known before 2017 as "LinuxCon", held several times yearly on various continents since 2009
* Software Freedom Day, international observance since 2004
* Open Forum Academy Symposium, academic conference covering questions related to the social, political and economic impact of Open Source

### Defunct

* Africa Source, held in 2004 and 2006
* Asia Source, held in 2005, 2007 and 2009
* August Penguin, held yearly in Israel from 2004–2018
* FOSS.IN, first known as "Linux Bangalore", from 2001–2012
* Fórum Internacional Software Livre (FISL) – International Free Software Forum, held yearly in Porto Alegre, Brazil (with 7000+ visitors) from 2000–2018
* Free Software and Open Source Symposium (FSOSS), held at Seneca College, Toronto each October from 2001–2018
* FSCONS, held every autumn in Gothenburg, Sweden from 2007–2019
* Libre Software Meeting, French name "Rencontres mondiales du logiciel libre", held every July in France or surrounding countries from 2000–2018
* Linux Bier Wanderung, informal event held in a different European country every summer from 1999–2019
* Ontario Linux Fest, held in Toronto, Ontario in the autumn from 2007–2009
* Open Source Day, conference held yearly in Warsaw, Poland from 2008–2019
* Open Source Developers' Conference (OSDC), held yearly in various countries from 2004–2015
* Solutions Linux [fr], a trade show and conference with 10,000 visitors held every year in Paris from 1999–2014
* O'Reilly Open Source Convention (OSCON), held each summer in the US from 1999–2019.
* LinuxWorld Conference and Expo, briefly also known as "OpenSource World", from 1998–2009
* Wizards of OS, held in Berlin every two years from 1999–2006
* LinuxTag, held in Germany every summer from 1996–2014

## Events for specific free software
### Operating systems

* DebConf – conference for the Debian operating system, held yearly since 2000
* Linux Kernel Developers Summit, annual conference since 2001

### Programming languages

* PyCon – conference for the Python programming language, held several times yearly in various locations since 2003
* RubyConf – conference for the Ruby programming language, held once yearly in various locations since 2002
* Yet Another Perl Conference – conference for the Perl programming language, held several times yearly since 1999

### Other

* Akademy – conference for the KDE desktop environment, held yearly in Europe since 1997
* ApacheCon – conference for the Apache HTTP Server, held once or twice yearly since 2000
* DjangoCon – conference for the Django web framework, held twice yearly (once each in Europe or the U.S.) since 2008
* DrupalCon – conference for the Drupal content management framework, held twice yearly (once each in Europe or North America) since 2007
* GNOME Users And Developers European Conference (GUADEC) – conference for the GNOME desktop environment, held yearly in Europe since 2000
* GNUHealthCon – conference for the GNU Health hospital management and digital health ecosystem, held yearly since 2010
* WordCamp – event for the WordPress content management system, held often around the world since 2007
* X.Org Developers' Conference (XDC) and X Developers' Summit (XDS), annual events since 2005 organized by X.Org Foundation

### Defunct

* BeGeistert – conference for the Haiku operating system, held yearly in Europe from 2006–2016 (originally a BeOS conference, from 1998–2005)
* Desktop Developers' Conference, from 2004–2006
* GCC Summit, held in Ottawa, Ontario, Canada from 2003–2010
* Gelato ICE, held yearly in the US or Italy by the Gelato Federation from 2001–2007
* Joomla World Conference – event for the Joomla content management system, held often around the world from 2011–2019
* Linux Kongress, held in Germany in the autumn from 1994–2010
* Linux Symposium, held in Canada in the summer from 1999–2014
* Ubuntu Developer Summit, held twice yearly (timed with respect to Ubuntu releases), alternating between Europe and North America, from 2004–2015
* Libre Graphics Meeting, held yearly in May in Europe or Canada from 2006–2021