Qt is a cross-platform C++ application framework. Qt's primary feature is its rich set of widgets that provide standard GUI functionality.

A macro processor that is used automatically by the GNU C compiler to transform programs before actual compilation.

A macro processor that is used automatically by the GNU C compiler to transform programs before actual compilation.

This is a userspace implementation of WireGuard in Go.

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).

This is the Phobos standard library that comes with the D2 compiler.