Name : TiLP II
Project Homepage : http://lpg.ticalc.org/prj_tilp/
Why it should be included in the repository : TiLP is a very helpfull program which enable communication with Texas Instrument's graphical calculator. It is an open source and linux-friendly alternative to TI Connect.
Is it open source : yes, GNU GPL license.
Link to the most up to date version : https://sourceforge.net/projects/tilp/files/tilp2-linux/tilp2-1.18/ (thanks to @feskyde).
Have a good day,