om-gtun - om-gtun is a guitar tuning software for Openmoko-based phones such as the Neo FreeRunner. It captures audio device for reading wave data. Further applies Fourier transformation for detecting base frequency, musical note, and difference in percentage between real frequency and reference frequency of this musical note. The app has both a command-line interface and EFL-based graphics user interface. om-gtun is written in clear C.
Speex Speex is an Open Source/Free Software patent-free audio compression format designed for speech
TaalPulse TaalPulse is a software Lehra, Theka and Tampura machine for the student of Hindustani music. It is designed to run on portable devices (such as Compaq iPaq) but it also runs on desktop computers (Windows, Linux and MacOS)