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Top 6 C internet-of-thing Projects
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Kargo
Stop Scripting Promotions. Start Shipping with Kargo. Kargo automates promotion across dev, staging, and prod with approval gates and verification. Open source, built by the team behind Argo CD. Download now.
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paho.mqtt.embedded-c
Paho MQTT C client library for embedded systems. Paho is an Eclipse IoT project (https://iot.eclipse.org/)
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QuarkTS
An open-source OS for embedded applications that supports prioritized cooperative scheduling, time control, inter-task communications primitives, hierarchical state machines and CoRoutines.
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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).
C internet-of-things discussion
C internet-of-things related posts
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Hyperlight: Virtual machine-based security for functions at scale
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JavaScript Runtime and Code Lifecycle
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Please help, cannot figure out mistake
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Seeking open source IoT solution
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JavaScript embedded inside Elixir
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Kaluma - tiny JavaScript runtime for microcontrollers - includes a browser-based IDE that can communicate with a Raspberry Pi Pico and other RP2040 boards via Web Serial API. Write code in the browser (in JavaScript), then copy and run it on the board with a click of a button.
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Can the PineTime Watch stream music without a phone? (Onboard music storage)
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A note from our sponsor - SaaSHub
www.saashub.com | 11 Sep 2026
Index
What are some of the best open-source internet-of-thing projects in C? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | jerryscript | 7,418 |
| 2 | RIOT | 5,790 |
| 3 | paho.mqtt.embedded-c | 1,542 |
| 4 | QuarkTS | 352 |
| 5 | arduino-device-lib | 208 |
| 6 | SSLClient | 175 |
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Stop Scripting Promotions. Start Shipping with Kargo
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