polkit is an application-level toolkit for defining and handling the policy that allows unprivileged processes to speak to privileged processes. It was previously named PolicyKit.

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

Library for the QUIC network protocol in Python. It features a minimal TLS 1.3 implementation, a QUIC stack and an HTTP/3 stack.

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

Soapy hardware drivers using the SoapySDR driver framework. Part of the main gnuradio build.

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).