Kablink open team collaboration software uses social networking to unify team workspaces w/ real-time web conferencing. Collaboration for knowledge networking, program management, communities-of-practice, telework, other business process/functional areas
You can manage and send your ussd code with ussdpad .its simple and easy to use gui program written by use python and qt4 - Shashika Layan
* Install Method (ArchLinux)
It's Available on Arch User Repository (AUR) so you can install it use yaourt
$ yaourt -S ussdpad