Florence is an extensible scalable virtual keyboard for X.

aconnectgui is a graphical utility to connect and disconnect two existing ports on ALSA sequencer system. The ports with the arbitrary subscription permission, such as created by aseqview, can be connected to any (MIDI) device ports.

Compiz brings to life a variety of visual effects that make the Linux desktop easier to use, more powerful and intuitive, and more accessible for users with special needs.

RetroArch is an open source, multi-platform frontend for the libretro API. It can be used as a modular multi emulator system, game engine, media player and 3D technical demonstration. These features are available through libretro cores.

Bumblebee is an effort to make NVIDIA Optimus enabled laptops work in GNU/Linux systems. These laptops are built in such a way that the NVIDIA graphics card can be used on demand so that battery life is improved and temperature is kept low.