A collection of Open Source conferences held across Europe annually, bi-annually, and more.
Regular Websites
FOSDEM (Free and Open Source Development European Meeting) is an annual event for Open Source developers and all those interested in the Free and Open Source development; held every year in February at the Université Libre de Bruxelles (ULB). - FOSDEM
http://fosdem.org/
GUADEC is an annual conference held at varied locations since 1998; highlighting Gnome capabilities and direction, as well as featuring discussions of the future of Free Software and Open Source development. - GUADEC
http://www.guadec.org/
International Conference on Open Source Systems
Provides information about the International Conference on Open Source Systems, held annually in Europe, usually in Italy. - International Conference on Open Source Systems
http://oss2008.dti.unimi.it/
Linux Bier Wanderung (LBW) is an event which takes place in a different European country each summer, drawing together Open Source software enthusiasts for a combination of talks, presentations, projects, and more. - Linux Bier Wanderung
https://mail.x31.com/mailman/listinfo/lbw
An annual 2-day conference of Linux developers from around the world; held in Germany and in other parts of Europe since 1994. - Linux Kongress
http://www.linux-kongress.org/
An annual event held in Luxembourg to promote and support the Open Source and Free Software movement throughout the world. - Linuxdays
http://www.linuxdays.lu/
LinuxTag, German for "Linux-day", is an Open Source and Free Software held every summer in Germany; contains conference registration details, and more. - LinuxTag
http://www.linuxtag.org/
The largest Open Source conference in the nordic area; providing the opportunity to meet, share, experience and learn from Open Source experts and enthusiasts in Copenhagen, Denmark. - Open Source Days
http://www.opensourcedays.org/
Provides information about UKUUG, the United Kingdom’s Unix & Open Systems User Group's annual conference; held in Birmingham, United Kingdom. - UKUUG
http://www.ukuug.org/