Thom is one of the best emulator of the Thomson TO7 home computer running on MacOS, Windows and Unix.
It has been initially written by Sylvain Huet in 1996 (see http://www.sylvain-huet.com), then Eric Botcazou (see http://nostalgies.thomsonistes.org/) continued this project and added many news features.
Here is a port on Dingoo for Dingux of version that i had previously ported to Gp2X, Wiz and PSP.
How to use it ? Everything is in the README.txt file.