Software Defined Radio (SDR)

  • GNU Radio

    Free Windows Linux Website

    GNU Radio is a free & open-source software development toolkit that provides signal processing blocks to implement software radios. It can be used with readily-available low-cost external RF hardware to create software-defined radios, or without hardware in a simulation-like environment. It is widely used in hobbyist, academic and commercial environments to support both wireless communications research and real-world radio systems.


    GNU Radio icon
  • Gqrx

    Free Mac Linux Website

    Gqrx is a software defined radio receiver powered by the Small GNU Radio iconGNU Radio SDR framework and the Qt graphical toolkit. It supports many of the SDR hardware available, including Funcube Dongles, rtl-sdr, HackRF and USRP devices.


    Gqrx icon
  • SDRangel

    Free Windows Linux Website

    SDRangel is an Open Source Qt5 / OpenGL 3.0+ (Linux) SDR and signal analyzer frontend to various hardware.


    SDRangel icon
  • Baudline

    Free Mac Linux BSD Website

    Baudline is a time-frequency browser designed for scientific visualization of the spectral domain.


    Baudline icon
  • CubicSDR

    Free Mac Windows Linux Website

    CubicSDR is a cross-platform Software-Defined Radio application which allows you to navigate the radio spectrum and demodulate any signals you might discover.


    CubicSDR icon
  • inspectrum

    Free Mac Linux Website

    inspectrum is a tool for analysing captured signals, primarily from software-defined radio receivers.


  • SoapySDR

    Free Mac Windows Linux Website

    SoapySDR is an open-source generalized C/C++ API and runtime library for interfacing with SDR devices. With SoapySDR, you can instantiate, configure, and stream with an SDR device in a variety of environments. Both osmosdr and uhd devices are available within SoapySDR. In addition, vendors can directly support their hardware using SoapySDR device modules. There are wrappers for both gr-osmosdr, uhd, and gr-uhd to bring an ecosystem of existing applications to SoapySDR devices. And SoapySDR has support for powerful platforms like GNU Radio and Pothos.


    SoapySDR icon
  • SDR#

    Free Windows Website

    SDR# (SDRSharp) is a popular, simple, fast and extensible Software Defined Radio program written from scratch in C# to experiment new Digital Signal Processing techniques and push the Microsoft .NET Framework to its limits.


    SDR# icon
  • sdrangelove

    Free Linux Website

    A graphical application for showing the Fast Fourier Transformation (FFT) as graph and waterfall diagram of the radio spectrum retrieved by Software Defined Radio (SDR) devices supported by GrOsmoSDR. Plugins enable demodulating a selected signal.


    sdrangelove icon
  • OpenWebRX

    Free Linux Website

    OpenWebRX is a remote spectrum monitoring solution
    with the following features:

    • libcsdr based demodulators (AM/FM/SSB),
    • filters with changeable bandwidth, BFO and PBS,
    • waterfall display that can be shifted back in time,
    • uses HTML5 features like WebSocket, Web Audio API.


    OpenWebRX icon

    Free Windows Website

    HDSDR is a freeware Software Defined Radio (SDR) program for Microsoft Windows 2000/XP/Vista/7/8/8.1/10.


  • LuaRadio

    Free Mac Linux Website

    LuaRadio is a lightweight, embeddable flow graph signal processing framework for software-defined radio. It provides a suite of source, sink, and processing blocks, with a simple API for defining flow graphs, running flow graphs, creating blocks, and creating data types. LuaRadio is built on LuaJIT, has a small binary footprint of under 750 KB (including LuaJIT), has no external hard dependencies, and is MIT licensed.


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