mangohud : A Vulkan and OpenGL overlay for monitoring FPS, temperatures, CPU/GPU load and more. AMDGPU testing branch ( https://github.com/flightlessmango/MangoHud )
new-lg4ff : Experimental Logitech force feedback module ( https://github.com/berarma/new-lg4ff )
opentrack : Head tracking software for MS Windows, Linux, and Apple OSX ( https://github.com/opentrack/opentrack )
oversteer : Steering Wheel Manager for Linux ( https://github.com/berarma/oversteer )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a ace
For Paludis use this rsync : rsync://gentoo.zugaina.org/ace-portage
If you have a problem : ycarus(-at-)zugaina.org