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

The gnuradio interface to the UHD library to connect to and send and receive data between to the Ettus Research, LLC product line - including the USRP family of software radio peripheral devices. Part of the main gnuradio build.

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

QT-based graphical sinks for gnuradio applications. Implements opengl, raster and native plotting methods, and supports a QT Style Sheet (QSS) file to adjust the look. Part of the main gnuradio build.

Protocol Data Units library provides signal processing blocks that operate on Protocol Data Unit format messages. Many such blocks are analogs of streaming API functionality. Part of the main gnuradio build.

Libiio is a library that has been conceived to ease the development of applications interfacing Industrial Input/Output (IIO) devices through the IIO subsystem of the Linux kernel.