The MATE Desktop Environment is the continuation of GNOME 2. It provides an intuitive and attractive desktop environment using traditional metaphors for Linux and other Unix-like operating systems.

Colobot (Colonize with Bots) is an educational game aiming to teach programming through entertainment. You are playing as an astronaut on a journey with robot helpers to find a planet for colonization. It features 3D real-time graphics and a C++ and Java-like, object-oriented language, CBOT, which can be used to program the robots available in the game.

This may be of some help to you if your filesystem gets corrupted enough to break the shared libraries used by the dynamically linked checker.

Litecoin is a free open source peer-to-peer electronic cash system that is completely decentralized, without the need for a central server or trusted parties. Users hold the crypto keys to their own money and transact directly with each other, with the help of a P2P network to check for double-spending. Litecoin is a fork of Bitcoin.

Dash to dock extension is an enhanced dash for GNOME Shell. It moves the default dash out of the overview and transforms it in a dock for an easier launching of applications and a faster switching between windows and workspaces without leaving the desktop view improving the workflow in your system.