| Date | Event | Location |
| 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 1 - 3, 2005 | Twisted
Sprint | Hobart, Tasmania |
| 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 15 - 17, 2005 | Debian Edu/Skolelinux
workshop | (Nafplion)Athens, Greece |
| 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 |
| April 23 - 24, 2005 | LayerOne Technology
Conference | (Pasadena Hilton)Pasadena, CA |
| April 25 - 30, 2005 | UbuntuDownUnder | Sydney,
Australia |
| May 2 - 7, 2005 | DallasCon
2005 | (Richardson Hotel)Dallas, TX |
| May 2 - 4, 2005 | Samba eXPerience
2005 | (Hotel Freizeit)Göttingen - Germany |
| May 4 - 6, 2005 | CanSecWest/core05 | Vancouver,
B.C. |
