In a completely unscientific review of community popularity I was reviewing the active members of various channels on #freenode. For those that don't know, Freenode is the defacto destination for the Open Source community on IRC. This is where you will find official community support channels for such open source luminaries as #gentoo, #ubuntu, #mysql and of course #postgresql.
The List
- Ubuntu
- Gentoo
- Linux
- Debian
- Python
- ArchLinux
- Django
- Haskell
- Perl
- C
- Git
- RubyOnRails
- C++
- PHP
- Fedora
- Jquery
- Vim
- KDE
- PostgreSQL
- Drupal