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Tag: SDR

Radio

Software-Defined Radio: 21 Best Free Tools for Linux

October 5, 2026 Steve Emms CLI, GUI, Multimedia, Roundup

This roundup looks at the finest software-defined radio tools for Linux including apps that let you listen to DAB and DAB+ broadcasts.

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multimon-ng – digital transmission mode decoder

May 3, 2026 Steve Emms CLI, Multimedia

multimon-ng is a command-line decoder for paging, signalling and digital radio modes, with live pipelines, file input and structured output.

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Radio

inspectrum – radio signal analyser for examining captured signals

May 2, 2026 Steve Emms GUI, Multimedia

inspectrum is a radio signal analyser for examining captured signals, with a particular focus on recordings from software-defined radio receivers.

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SigDigger – digital signal analyzer and graphical front end for Suscan

May 2, 2026 Steve Emms GUI, Multimedia

SigDigger is a Qt-based digital signal analyzer and graphical front end for Suscan that’s designed to help investigate and extract information.

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Radio

AetherSDR – native SDR workstation for amateur radio

May 2, 2026 Steve Emms GUI, Other

AetherSDR is a native SDR workstation for Linux with FlexRadio support, advanced DSP, packet radio, digital voice and station-control tools.

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Radio

rtl_433 – receives and decodes radio transmissions

May 2, 2026 Steve Emms CLI, Multimedia

rtl_433 is a command-line utility that receives and decodes radio transmissions from low-power devices operating on common ISM bands.

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sdrtrunk – SDR tool

May 1, 2026 Steve Emms GUI, Multimedia

sdrtrunk is a Java-based application for decoding, monitoring, recording, and streaming trunked mobile and related radio protocols.

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Radio

SDR++ Community Edition – advanced Software-Defined Radio

May 1, 2026 Steve Emms GUI, Multimedia

SDR++ Community Edition is a cross-platform software-defined radio application and a community-driven fork of SDR++

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OpenWebRX+ – improved version of OpenWebRX

April 26, 2026 Steve Emms Other, Web Apps

OpenWebRX+ is an improved version of OpenWebRX, a multi-user software defined radio receiver that runs through a web interface.

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OpenWebRX – multi-user web-based SDR receiver

December 16, 2025 Steve Emms Multimedia, Web Apps

OpenWebRX is a multi-user web-based SDR receiver with analogue and digital decoding, broad hardware support and remote browser access.

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Quisk – software defined radio transceiver

December 3, 2025 Steve Emms GUI, Multimedia

Quisk is a low-latency software-defined radio transceiver for Linux with flexible hardware support and links to digital-mode applications.

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Radio

SDRangel – transmit, receive and analyse SDR signals

September 23, 2025 Steve Emms GUI, Multimedia

SDRangel is an advanced software-defined radio suite for receiving, transmitting and analysing signals across a wide range of SDR hardware.

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Radio

Gqrx – graphical software defined radio receiver

March 22, 2025 Steve Emms GUI, Multimedia

Gqrx is a graphical SDR receiver with broad hardware support, demodulation, spectrum displays, recording and remote-control facilities.

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GNU Radio – signal processing and SDR development toolkit

March 21, 2025 Steve Emms GUI, Multimedia

GNU Radio is a signal-processing toolkit for software-defined radio, communications research, DSP development, simulation and hardware.

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Radio

AbracaDABra – DAB and DAB+ software defined radio receiver

March 20, 2025 Steve Emms GUI, Multimedia

AbracaDABra is a DAB and DAB+ receiver with broad SDR hardware support, programme information, TII analysis, recording and RadioDNS.

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DABlin – DAB/DAB+ receiver

March 19, 2025 Steve Emms CLI, GUI, Multimedia

DABlin is a Linux DAB and DAB+ receiver for live transmissions and stored ensembles, with CLI and GTK interfaces and broadcast data support.

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Radio

welle.io – DAB and DAB+ software defined radio

March 18, 2025 Steve Emms GUI, Multimedia

welle.io is a DAB and DAB+ receiver for Linux with RTL-SDR, Airspy, rtl_tcp and SoapySDR support, touch controls and expert views.

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