This is the GNU D compiler, which compiles D on platforms supported by gcc. It uses the gcc backend to generate optimised code.

The Mobile Robot Programming Toolkit (MRPT) is an extensive, cross-platform, and open source C++ library aimed to help robotics researchers to design and implement algorithms in the fields of Simultaneous Localization and Mapping (SLAM), computer vision, and motion planning (obstacle avoidance).

Library needed for GNU Go applications linked against the shared library.

Library needed for GNU Go applications linked against the shared library.

Library for handling SDL (Simple DirectMedia Layer) video data. Implements input and output blocks. Part of the main gnuradio build.

biometryd mediates and multiplexes access to biometric devices present on the system, enabling applications and system components to leverage them for identification and verification of users.