The Open Source Developers' Conference (OSDC) is a non-profit conference for developers of open source software. The conference was founded by Scott Penrose and first organised by members of the Melbourne Perl Mongers group in Melbourne, Australia in 2004. Originally it had been intended to be a YAPC-style (Perl) conference, but after discussions with the Melbourne PHP Users Group it was expanded to include PHP and Python talks. Following the 2004 conference success, Scott Penrose created the Open Source Developers' Club Association to encourage programmers of other languages to also be involved in running the conference. At first this was an entirely Melbourne based organisation, but after the 2005 conference, it expanded to include members from elsewhere in Australia. At the end of 2006,