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.

Library of blocks that implement UDP and TCP source and sink blocks supporting both IPv4 and IPv6. Part of the main gnuradio build.

Library for trellis coding modulation, including the Viterbi Algorithm, Concatenated Coding and Turbo Decoding based upon finite state machine (FSM) class. Part of the main gnuradio build.

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.

Library of vocoder blocks, including ulaw, alaw, gsm and codec2. Debian uses external libraries for gsm and codec2.

0MQ messaging library support. Provide network socket endpoints for gnuradio data and message streams. PUB/SUB, PUSH/PULL, REP/REQ models supported.