PlayDeb is an unofficial project with the mission to provide the latest open source and freeware games for the current Ubuntu Linux release, in an easy to install manner.
The offical source of PlayOnLinux
Ubuntu Games is a game repository
scanmem and GameConqueror
PPA named mrw-gimp-svn for matthaeus123
This is the repository to gets the latest Scribus packages.
PPA for Blender 2.4 and 2.5
The Yorba PPA is maintained by the Yorba Foundation and home to Shotwell Photo Manager and gexiv2 (a GObject wrapper for the Exiv2 metadata library).
Latest adobe flash plugin for x86-64
Medibuntu (Multimedia, Entertainment and Distractions In Ubuntu) is a repository of packages that cannot be included into the Ubuntu distribution for legal reasons (copyright, license, patent, etc).