Cmas is a tiny Christmas tree with red and blue light bulbs blinking alternatively.

https://lh3.googleusercontent.com/-MBLPEfxTUqk/Vlv_Wfz2nXI/AAAAAAAAIjQ/SxqLvJmMDco/s800-Ic42/Cmas.gif

Dont want to buy a tree for Christmas, this would do. Maybe.

Cmas was created by Taylor Hoff, written in C++ under the GPLv3, currently git-08d594c (2015-05-31, post v1.0 (2015-05-26)).