Software Updates Applet for MATE Desktop checks for updates and displays notifications. It supports YUM (via yum-updatesd or yum) and APT (via updates-notifier).
Fishkin’s Desktop Environment Replacer is a script that makes it easy for Ubuntu users to install the MATE desktop environment, and if desired, to remove Unity.
A multi-purpose application level gateway and proxy.
A library that decodes and encodes GIF image files.