modem73
modem73 is an open-source radio & streaming project written in C++ with 81 stars on GitHub.
The authors describe it as: “High speed software modem that works with any HF/VHF/UHF radio capable of 2400 Hz of bandwidth.”
Category
Radio & streaming
Type
Open source
Platform
C++ project
Pricing
Free / open source
License
Unlicense
GitHub stars
81
Last updated
2026-08-19
Top modem73 alternatives
rtl_433“Program to decode radio transmissions from devices on the ISM bands (and other frequencies)”
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Frequently asked
What is modem73?
modem73 is an open-source radio streaming project written in C++ with 81 stars on GitHub. The authors describe it as: “High speed software modem that works with any HF/VHF/UHF radio capable of 2400 Hz of bandwidth.”
Is modem73 free?
modem73 is open source — free to use; check its license for redistribution terms.
What are the best modem73 alternatives?
The closest alternatives in the same category include live, bootstrap-table, Shadowbroker, vxe-table, hackrf — each has a live profile with facts and its own alternatives list on this hub.