Top 4 C communication-protocol Projects

system-bus-radio

19 6,138 4.2 C

Transmits AM radio on computers without radio transmitting hardware.

Project mention: Web FM synthesizer made with HTML5 | news.ycombinator.com | 2023-10-29

As opposed to AM: https://fulldecent.github.io/system-bus-radio/

luos_engine

35 496 8.8 C

Open-source and real-time orchestrator for cyber-physical-systems, to easily design, test and deploy embedded applications and digital twins.
InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
p-net

3 414 4.5 C

PROFINET device stack for embedded devices

Project mention: PROFINET integration for new board design - PCB to PLC communication | /r/PLC | 2023-05-03

And there's even existing open-source implementations which you can use, like this one for example: https://github.com/rtlabs-com/p-net

c-open

1 75 5.2 C

CANopen stack for embedded devices

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).