GoKawiilNew open-source SDR tool 'sdr--' combines Rust backend with visual signal-routing UI
A new open-source software-defined radio project called sdr-- lets users build signal chains visually, linking devices, decoders, displays and recorders on a canvas. It runs a Rust-based server for radio and signal processing paired with a React-based interface that works in a browser or desktop app, and can operate locally or split across a network.
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SDR tools have traditionally required stitching together separate command-line utilities or GUIs with steep learning curves; a patchable, visual signal graph paired with modern web tooling could make radio experimentation more accessible to hobbyists and developers. Its support for REST, WebSocket, MCP control and integrations like MQTT and Matrix also positions it as infrastructure for automated radio monitoring rather than just a listening app.
- sdr-- offers a visual, patchable signal path for building custom radio decoding pipelines.
- The project separates a Rust processing server from a React UI, enabling flexible local or networked setups.
- It's under active development, with many decoders still unverified on live signals rather than test data.
Source: github.com, 2026-09-14
Published there as: “SDR–; open source SDR with a patchable signal graph, Rust DSP, web UI”
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