Google Code - Summer of Code - Google Summer of Code

Do a check what I know of the below:
Google Code - Summer of Code - Google Summer of Code

Apply and use currently or in the past:

• Boost C++
• Debian
• The Fedora Project
• FFmpeg
• Gallery
• GCC
• GNU Project
• GNOME
• KDE
• MacPorts
• MySQL AB
• Open Source Applications Foundation
• PHP
• Samba
• Subversion
• VideoLAN
• Vim
• WordPress
  

Something I am learning:

• Coppermine Photo Gallery
• Gentoo
• Google
• Ubuntu
  

Something I know a little but give up for other priorities:

• GnuCash
• Mono Project
• Mozilla Foundation
• NetBSD
• OpenOffice.org
• PostgreSQL project
• The Wine Project
• X.Org
• Zope Foundation, Inc
• Etherboot Project