ODR-DabMux implements a DAB multiplexer that combines all audio and data inputs into an ETI output. It can be used off-line (i.e. not real-time) to generate ETI data for later processing, or in a real-time streaming scenario (e.g. in a transmitter).

The tecla library provides UNIX and LINUX programs with interactive command line editing facilities, similar to those of the UNIX tcsh shell. In addition to simple command-line editing, it supports recall of previously entered command lines, TAB completion of file names or other tokens, and in-line wild-card expansion of filenames. The internal functions which perform file-name completion and wild-card expansion are also available externally for optional use by programs.

Libtcod offers a free, fast, portable and uncomplicated API for roguelike developers providing an advanced true color console, input and lots of other utilities frequently used in roguelikes.

The Synthesis SyncML engine supports SyncML versions 1.0, 1.1 and 1.2 including complex features like data filtering, suspend & resume, vCard/vCalendar format conversion in a way completely transparent to the user of the library.

Library of Daubechies wavelet function blocks. wvps computes the Wavelet Power Spectrum from a set of wavelet coefficients.

Library of vocoder blocks, including ulaw, alaw, gsm and codec2. Debian uses external libraries for gsm and codec2.