Good news everyone! The TH-F7E (and TH-F6A) are supported by Hamlib, a radio control library for Linux systems (and others).
Hamlib is an open source project, and we'd be happy to count you in the developer team. Testers and contributors are also welcome.
The web site is at http://hamlib.org
For more information, join the hamlib-developer mailing list at http://lists.sourceforge.net/lists/listinfo/hamlib-developer