XMakemol is a mouse-based program, written using the LessTif widget set, for viewing and manipulating atomic and other chemical systems. It reads XYZ input and renders atoms, bonds and hydrogen bonds.

This package contains the driver and diagnostic utility for the userspace SoundModem suite by Thomas Sailer.

Numix Circle is an icon theme using simple symbols and vivid backgrounds for a fresh, swishy, and modern look. It is developed by the Numix project and serves as a companion to the base Numix icon theme (numix-icon-theme).

This is an editor for "tracked" music, i.e. audio samples of instruments pitch shifted according to the note data.

The 1-Wire bus is a cheap low-speed bus for devices like weather sensors, access control, etc. It can be attached to your system via serial, USB, I2C, and other interfaces.

sxiv is an alternative to feh and qiv. Its only dependency besides xlib is imlib2. The primary goal for writing sxiv is to create an image viewer, which only has the most basic features required for fast image viewing. It works nicely with tiling window managers and its code base should be kept small and clean to make it easy for you to dig into it and customize it for your needs.