| Date | Event | Location |
| June 1 - 3, 2006 | 2006
USENIX Annual Technical Conference | (Boston Marriott Copley Place)Boston, MA |
| June 13 - 14, 2006 | Where 2.0
Conference | (Fairmont Hotel San Jose)San Jose, CA |
| June 13 - 14, 2006 | Gartner Open Source
Summit 2006 | (Palau de Congressos de Catalunya)Barcelona, Spain |
| June 14 - 16, 2006 | New York PHP Conference and
Expo 2006 | (New Yorker Hotel)New York, NY |
| June 16 - 18, 2006 | Recon
2006 | (Plaza Hotel Centre-Ville)Montreal, Canada |
| June 18 - 23, 2006 | Ubuntu Developer
Summit | Charles de Gaulle, Paris, France |
| June 19 - 22, 2006 | Collaborative
Technologies Conference | (Seaport Hotel)Boston, MA |
| June 22 - 23, 2006 | 3rd International GPLv3
Conference | Barcelona, Spain |
| June 24 - 25, 2006 | Free and Open
Source Conference(FrOSCon) | (St. Augustin)Bonn, Germany |
| June 24 - 30, 2006 | 2006 GNOME Users and Developers
European Conference(GUADEC) | Catalonia, Spain |
| June 24 - 25, 2006 | PHP
Vikinger | Skien, Norway |
| June 27 - 29, 2006 | Corporate Channel and Computing
Expo(C3) | (Jacob K. Javits Convention Center)New York, NY |
| June 28 - 30, 2006 | GCC and GNU Toolchain
Developers' Summit | (Ottawa Congress Centre)Ottawa, Canada |
| June 29 - July 2, 2006 | UKUUG Linux
Technical Conference | (University of Sussex)Brighton, UK |
| June 30 - July 1, 2006 | WebTech
2006 | (Kempinski Hotel Zografski)Sofia, Bulgaria |
| July 3 - 4, 2006 | 3rd European Lisp
Workshop | Nantes, France |
| July 3 - 5, 2006 | EuroPython
2006 | (CERN)Geneva, Switzerland |
| July 4 - 8, 2006 | 7th Libre Software
Meeting(LSM) | (Nancy 1 University)Vandoeuvre-les-Nancy, France |
| July 5 - 8, 2006 | V Jornades de Programari
Lliure | Barcelona, Spain |
| July 8 - 9, 2006 | PostgreSQL Anniversary
Summit | Toronto, Canada |
| July 10 - 11, 2006 | Global
db4o User Conference(dUC) | (Imperial College, South Kensington)London, UK |
| July 13 - 14, 2006 | Detection of
Intrusions and Malware, and Vulnerability Assessment(DIMVA) | Berlin, Germany |
| July 15 - 16, 2006 | Crystal Space
Conference | (University of Aachen)Aachen, Germany |
| July 16 - 19, 2006 | 2nd International Symposium
on Free/Open Source Software, Technologies and Content(FOSSTEC 2006) | Orlando, Florida,
USA |
| July 19 - 22, 2006 | Ottawa Linux Symposium
2006(OLS 2006) | Ottawa, Canada |
| July 22 - 23, 2006 | LugRadio Live | (Wolverhampton
University)Wolverhampton, UK |
| July 24 - 28, 2006 | O'Reilly
Open Source Convention(OSCON 2006) | Portland, Oregon |
