Lwazi is a robust telephony platform aiming to facilitate speedy development of experimental applications without sacrificing power by combining Asterisk with the MobilIVR Python interface bundled into a single build with a unified control interface.
Sydewynder is an SMS receiver and sender application written in Python for S60 phones. It automates the responses of messages and can be used as a mobile application server. It very useful for prototyping mobile applications and educational projects.