apitrace : Tool for tracing, analyzing, and debugging graphics APIs ( https://github.com/apitrace/apitrace )
bats-core : Bash Automated Testing System ( https://github.com/bats-core/bats-core )
perf : Userland tools for Linux Performance Counters ( https://perf.wiki.kernel.org/ )
radare2 : Advanced command line hexadecimal editor and more ( http://www.radare.org )
unity-editor : Editor to create games on the Unity engine ( https://unity3d.com/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a didactic-duck
For Paludis use this rsync : rsync://gentoo.zugaina.org/didactic-duck-portage
If you have a problem : ycarus(-at-)zugaina.org