libeconf is a highly flexible and configureable library to parse and manage key=value configuration files. It reads configuration file snippets from different directories and builds the final configuration file for the application from it.

libsidplayfp (and its console frontend sidplayfp) is a fork of sidplay2 born with the aim to improve the quality of emulating the 6581, 8580 chips and the surrounding C64 system in order to play SID music better.

DPF is designed to make development of new plugins an easy and enjoyable task. It allows developers to create plugins with custom UIs using a simple C++ API. The framework facilitates exporting various different plugin formats from the same code-base.

FITS (Flexible Image Transport System) is a data format most used in astronomy. cfitsio is a library of ANSI C routines for reading and writing FITS format data files. A set of Fortran-callable wrapper routines are also included for the convenience of Fortran programmers.

The Unihedron Device Manager (UDM) program is intended for use in maintaining and testing the Unihedron connected Sky Quality Meter products. It is used to: - Read version information. - Request readings. - Read and set calibration data. - Read and set all other meter parameters. - Install new firmware. - Setup and retrieve data from datalogging meters. - Continuously log data from connected meters.

Test2::Plugin::UUID is a module that allows the usage of real UUIDs in the Test2 suite.