A listing of Open Source conferences held annually, bi-annually, and quarterly in North America.
Regular Websites
Desktop Developers' Conference
An annual Linux conference where developers discuss and work on X11, Linux desktops like GNOME and KDE, FreeDesktop.org projects, and desktop software such as web browsers, office suites, and more; usually takes place in Ottawa, Canada each year just before the Ottawa Linux Symposium. - Desktop Developers' Conference
http://www.desktopcon.org/
EclipseCON is an Open Source conference held annually in Santa Clara, California. - EclipseCON
http://www.eclipse.org/
The Embedded Linux Conference (ELC) is an Open Source conference for companies and developers using Linux in embedded products. - Embedded Linux Conference
http://www.embeddedlinuxconference.com/
An annual Open Source conference held in Orlando, the entertainment capital of Florida; contains conference registration and other pertinent details. - Florida Linux Show
http://www.floridalinuxshow.com/
Seneca's Free Software and Open Source Symposium is a yearly event at Seneca College; a maintstay on many student's calendars and people from the IT industry and Open Source field. - FSOSS
http://fsoss.senecac.on.ca/2008/?q=node/9
The GCC Summit is an annual conference for developers of the GNU Compiler Collection and related free software technologies; usually takes place a month before the Ottawa Linux Symposium. - GCC Summit
http://www.gccsummit.org/
Linux Kernel Developers Summit
An annual gathering of the top Linux kernel developers and is by invitation only; typically held in North America with noted exceptions. - Linux Kernel Developers Summit
http://www.linuxfoundation.org/events/kernel
An annual Linux conference, typically held in September and in Portland, Oregon; contains conference details, including call for white papers, and more. - Linux Plumbers Conference
http://linuxplumbersconf.org/
An annual technology conference and exposition held in Bellingham, Washington; usually a Saturday and Sunday weekend event held in late April. - LinuxFest Northwest
http://www.linuxfestnorthwest.org/
An annual Open Source conference and exposition held in Columbus, Ohio; dedicated to discussion and development of the Linux operating system and other Open Source software projects. - Ohio LinuxFest
http://www.ohiolinux.org/
OLS, the Ottawa Linux Symposium, is an annual technology conference; it's four days of talks, tutorials, BOFs, etc. - OLS - Ottawa Linux Symposium
http://www.linuxsymposium.org/
Ontario Linux Fest is an annual Open Source conference organized by Linux and Open Source enthusiasts for Linux and Open Source enthusiasts to discuss Linux and Open Source related issues. - Ontario Linux Fest
http://onlinux.ca/
OSBC, the Open Source Business Conference, is an annual conference, normally held in May. This year the conference was held in San Francisco. Check back for updates about next year's conference! - OSBC
http://www.idgworldexpo.com/live/13/
The O'Reilly Open Source Convention (OSCON) is an annual convention for the discussion of free and open source software; organized by O'Reilly Media and held each summer in the USA. - OSCON
http://conferences.oreilly.com/oscon/
Penguicon is a convention in the USA that brings together science fiction fandom communities and Linux User Groups; for both professional and beginner-level panels on Linux and Open-source software. - Penguicon
http://www.penguicon.org/
PFOSSCON, the Pacific Free and Open Source Software Conference, is held annually at the University of Hawaii in January. - PFOSSCON 2007
http://www.pfosscon.org/
The Southern California Linux Expo (SCALE) is an annual Linux, Open-Source, and Free Software conference held in Los Angeles, California; complete with conference details, and more. - SCALE
http://www.socallinuxexpo.org/
USENIX Annual Technical Conference
An annual conference sponsored by the USENIX association; includes computing tutorials, technical sessions for presenting research papers, SIG meetings, and BoFs. - USENIX Annual Technical Conference
http://www.usenix.org/