rtl_433
rtl_433 is an open-source radio & streaming project written in C with 7,672 stars on GitHub.
The authors describe it as: “Program to decode radio transmissions from devices on the ISM bands (and other frequencies).”
Category
Radio & streaming
Type
Open source
Platform
C project
Pricing
Free / open source
License
GPL-2.0
GitHub stars
7,672
Last updated
2026-08-19
Top rtl_433 alternatives
See the full list of rtl_433 alternatives →
Frequently asked
What is rtl_433?
rtl_433 is an open-source radio streaming project written in C with 7,672 stars on GitHub. The authors describe it as: “Program to decode radio transmissions from devices on the ISM bands (and other frequencies).”
Is rtl_433 free?
rtl_433 is open source — free to use; check its license for redistribution terms.
What are the best rtl_433 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.