xlunch
Graphical app launcher for X, using pure Xlib and Imlib2.
website
detailed info at: http://www.xlunch.org/
compile and test with:
make test
on some distros libimlib2-dev
and libx11
are needed for compilation.
For Ubuntu and other Debian-based distros, do:
sudo apt install libimlib2-dev libx11-dev
For Fedora:
sudo dnf install imlib2-devel libX11-devel
screenshots
Version 3 of xlunch added a lot of customization options, here are some of them in use: