From Fedora Project Wiki
World Wide events
- http://barcamp.org/
- http://www.linux.org/event/
- http://events.kde.org/upcoming.php
- http://live.gnome.org/GnomeEvents
- http://www.linuxjournal.com/events
- http://www.linux-magazine.com/Resources/Event-Calendar
- http://lwn.net/Calendar/
- http://fossevents.org/
- http://softwarefreedomday.org/
- http://www.li.org/?q=event
- http://linux.meetup.com/
- http://fridge.ubuntu.com/calendar
- http://news.opensuse.org/category/events/event-calendar/