SDR–; open source SDR with a patchable signal graph, Rust DSP, web UI

sdr is an open-source software-defined radio platform that runs a Rust server for signal processing and a React web UI for control. It supports AM, NFM, FM with RDS, SSB, and digital voice modes, records IQ, baseband, or audio, and exports data via UDP/TCP. Control is available through REST, WebSocket, or MCP. The project includes a built-in signal generator, a comprehensive channel catalog, and Docker, Homebrew, and Nix installation options, and is released under GPL-3.0.