| Date | Event | Location |
| February 24 - 25, 2005 | UKUUG
LISA/Winter Conference | Birmingham, UK |
| February 25, 2005 | Dutch Perl
Workshop | Amsterdam, the Netherlands |
| February 26 - 27, 2005 | Free and Open Source
Developers' European Meeting(FOSDEM 2005) | Brussels,
Belgium |
| February 28 - March 3, 2005 | EclipseCon 2005 | (Hyatt
Regency)Burlingame, CA |
| February 28 - March 1, 2005 | Asia
Debian Mini-Conf 2005 | Beijing, China |
| March 1 - 2, 2005 | JBoss World 2005 User
Conference | (Omni/CNN Center)Atlanta, GA |
| March 2 - 4, 2005 | Security-Enhanced
Linux Symposium | Silver Spring, Maryland |
| March 2 - 3, 2005 | Asia
CodeFest 2005 | Beijing, China |
| March 2 - 4, 2005 | The 5th Asia Open Source
Software Symposium | Beijing, China |
| March 2 - 4, 2005 | The Free and
Open Source Software Workshop | (Al Assad National Library)Damascus,
Syria |
| March 4, 2005 | LPA AGM | Rivonia Sandton,
South Africa |
| March 4 - 5, 2005 | Linuxforum
2005 | Copenhagen, Denmark |
| March 10 - 16, 2005 | CeBIT
2005 | Hannover, Germany |
| March 12, 2005 | Gentoo UK
2005 | (University of Salford)Manchester, UK |
| March 12, 2005 | Third Hungarian PHP
Conference | Budapest, Hungary |
| March 14 - 17, 2005 | Emerging
Technology Conference(ETech) | (Westin Horton Plaza)San Diego,
CA |
| March 20 - 25, 2005 | Novell BrainShare
2005 | Salt Lake City, Utah |
| March 21 - 24, 2005 | Bellua Cyber Security
Asia 2005 | (Hotel Borobudur)Jakarta, Indonesia |
| March 21 - 24, 2005 | Open
Source Modeling and IDEs Workshop | (Caribe Royale All Suites Resort & Convention
Center)Orlando, FL |
| March 23 - 25, 2005 | PyCon DC
2005 | (GWU Cafritz Conference Center)Washington, DC |
| March 26 - 27, 2005 | YAPC::Taipei
2005 | Taipei |
| March 30 - April 1, 2005 | PHP
Quebec | (Crowne Plaza Hotel)Montreal, Canada |
| March 31 - April 1, 2005 | Black Hat Briefings Europe
2005 | Amsterdam, the Netherlands |
| April 5 - 6, 2005 | Open Source Business
Conference(OSBC) | (Westin St. Francis)San Francisco, CA |
| April 7 - 8, 2005 | Black
Hat Briefings Asia 2005 | Singapore |
| April 10 - 15, 2005 | 2005 USENIX Annual
Technical Conference | Anaheim, California, USA |
| April 12 - 15, 2005 | Computers, Freedom and
Privacy Conference 2005 | (Westin Hotel)Seattle, WA |
| April 18 - 23, 2005 | Linux.Conf.Au
2005 | (Australian National University)Canberra, Australia |
| April 18 - 21, 2005 | MySQL Users Conference and Expo
2005 | (Santa Clara Convention Center)Santa Clara, CA |
| April 18 - 20, 2005 | LinuxWorld Conference
and Expo 2005 | (Metro Toronto Convention Centre)Toronto,
ON |
| April 18 - 19, 2005 | Debian Miniconf
4 | Canberra, Australia |
| April 19 - 20, 2005 | San
Francisco techCongress | (Rickey's Hyatt)Palo Alto, CA |
| April 20 - 23, 2005 | ACCU Conference
2005 | (Randolph Hotel)Oxford, England |
| April 21 - 24, 2005 | 3rd International Linux
Audio Conference(LAC2005) | (Center for Art and Media (ZKM))Karlsruhe,
Germany |
