OpenWebRX is a multi-user software defined radio receiver with a web interface. It is designed for remotely accessible receivers where several people may want to listen within the bandwidth supplied by one or more SDR devices.
Signal processing and decoding take place on the server, while listeners use a browser for tuning, viewing the waterfall and receiving audio or decoded information. This makes OpenWebRX particularly useful for shared and remotely located radio installations.
This is free and open source software.
Key Features
- Multiple listeners can use the receiver through a web browser.
- Supports AM, FM, SSB, CW and other analogue demodulators.
- Adjustable receive filters are controlled from the browser interface.
- Provides spectrum and waterfall displays using browser technologies.
- Supports a broad range of SDR hardware.
- Can operate multiple SDR devices simultaneously.
- Decodes digital voice modes including DMR, YSF, D-Star and NXDN.
- Supports weak-signal modes including FT8, FT4, WSPR, JT65, JT9 and FST4 families.
- Decodes APRS packets.
- Supports JS8Call, DRM, FreeDV and M17 workflows.
- ADS-B decoding provides aircraft information from suitable receivers.
- Supports HFDL and VDL2 aircraft communications.
- ISM-band transmissions can be decoded through rtl_433 integration.
- RDS data can be decoded from wide-FM broadcasts.
- Supports DAB broadcast decoding.
- MQTT integration allows decoded data to be passed to other systems.
- Supports IPv6 networking for remote deployments.
Website: github.com/jketterl/openwebrx
Support:
Developer: Jakob Ketterl
License: GNU Affero General Public License v3.0

OpenWebRX is written in Python and JavaScript. Learn Python with our recommended free books and free tutorials. Learn JavaScript with our recommended free books and free tutorials.
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