gnuradio/gnuradio

Health v2 · maintenance only

Adoption not part of the score

6236 stars · 2152 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

GNU Radio is a free and open-source signal processing runtime and development toolkit for building software-defined radios and simulating wireless communications. It provides a library of signal processing blocks that can be connected into flowgraphs, usable with low-cost RF hardware or entirely in simulation.

Use cases

• build a software-defined radio receiver in software
• simulate wireless communication systems
• decode radio signals from cheap RF hardware
• learn digital signal processing with hands-on flowgraphs
• prototype digital communications research
• do radio astronomy or physics signal processing
• analyze and reverse-engineer wireless protocols

When to choose

• you need a mature, well-documented SDR and DSP toolkit with a large community
• you want to prototype radio systems without writing low-level DSP code
• you work across Linux, macOS, or Windows with common SDR hardware
• you need both real-time radio operation and offline simulation

When to avoid

• you need a simple turnkey radio application rather than a development toolkit
• your project requires the newest 4.0 architecture, which is still under active development in a separate repo
• you need a lightweight pure-Python DSP library without C++ dependencies

Facets

framework · maturity stable

simulation audio-processing machine-learning developer-tools gui embedded-systems hardware security windows cross-platform python cpp sdr dsp software-defined-radio flowgraph wireless signal-processing rf radio gnuradio-companion research linux macos

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markdown · JSON · MCP: product_card(name="gnuradio/gnuradio")