Top 23 C embedded-c Projects

embedded-c

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1. zephyr

   1 64 15,922 10.0 C

   Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.

   

   Project mention: Libre Solar – Open Hardware for Renewable Energy | news.ycombinator.com | 2026-03-01

2. SaaSHub

   www.saashub.com featured

   SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

   

3. nanopb

   2 22 5,488 6.7 C

   Protocol Buffers with small code size

   

   Project mention: Nanopb: Protocol buffers with small code size | news.ycombinator.com | 2025-10-07

4. modern-embedded-programming-course

   3 4 1,409 4.5 C

   Companion repository to the "Modern Embedded Systems Programming" video course.

   

5. qpc

   4 3 1,334 5.1 C

   QP/C Real-Time Event Framework/RTOS implements event-driven Active Object (Actor) model combined with Hierarchical State Machines. Specifically designed for embedded systems (e.g., ARM Cortex-M MCUs).

   

6. MuditaOS

   5 9 931 2.3 C

   Mobile operating system based on FreeRTOS™ optimized for E Ink displays - developed for Mudita Pure minimalist phone

   

7. nanoMODBUS

   6 4 879 6.0 C

   A compact MODBUS RTU/TCP C library for embedded/microcontrollers

   

8. iowow

   7 1 317 7.4 C

   Multipurpose C library and persistent key/value storage

   

   Project mention: Autark: Rethinking build systems – Integrate, Don’t Outsource | dev.to | 2025-11-04

   github.com/Softmotions/iowow

9. jim

   8 1 257 7.7 C

   Immediate Mode JSON Serialization Library in C (by tsoding)

   

10. Super-Simple-Tasker

    9 3 242 2.4 C

    Event-driven, preemptive, priority-based, hardware RTOS for ARM Cortex-M.

    

11. sha-2

    10 1 200 2.4 C

    SHA-2 algorithm implementations (by amosnier)

    

12. riscv_em

    11 5 150 6.1 C

    Simple risc-v emulator, able to run linux, written in C.

    

13. FreeACT

    12 4 128 1.8 C

    FreeACT is a minimal Active Object (Actor) framework for FreeRTOS

    

14. MiROS

    13 7 120 2.5 C

    MiROS (Minimal Real-Time Operating System) for ARM Cortex-M

    

15. PIF-Image-Format

    14 1 87 5.7 C

    Image format, tools & librares for limited embedded systems

    

16. electricui-embedded

    15 17 66 0.0 C

    Add communications functionality to connect your hardware to a local user interface.

    

17. acoustic-leak-detector

    16 1 48 4.8 C

    AquaPing is a battery powered, stand-off, acoustic leak detector

    

18. c-embed

    17 1 46 0.0 C

    Naturally embed read-only filesystems into C99-C++20 w. a single header, zero dependencies and zero modifications to your code

    

19. Raspberry-PICO2040-Flash-Storage

    18 1 33 10.0 C

    The Following C Coded Library is used to perform Flash Write, Read and Erase functions on Raspberry Pico 2040.

    

20. rulos

    19 6 18 9.4 C

    Ravenna Ultra-Low-Altitude Operating System: An embedded OS for AVR and ARM CPUs

    

21. stm32f1-baremetal

    20 2 16 3.1 C

    Program STM32 Arm Cortex M3 micro-controller using bare metal embedded c

    

22. CoreMark-RP2040

    21 1 15 3.0 C

    This is the COREMARK® embedded benchmark ported by me to the RP2040 chip from the folks over at Raspberry Pi.

    

23. JsonX

    22 1 13 3.3 C

    Lightweight embedded JSON mapper for C — structured data-to-JSON mapping with declarative macros. ThreadX/FreeRTOS/baremetal ready. (by embedmind)

    

    Project mention: JsonX: Mapping JSON to C Structs on Embedded Systems | dev.to | 2025-09-24

    STM32 usage example: src/example.c

24. SPString

    23 3 11 0.0 C

    A C string library that's designed with embedded development in mind.

    

C embedded-c related posts

• Nanopb: Protocol buffers with small code size

  1 project | news.ycombinator.com | 7 Oct 2025

• A Web based Broadcast Assistant

  2 projects | dev.to | 5 Mar 2025

• A simple Broadcast Audio Source

  4 projects | dev.to | 3 Mar 2025

• Nanopb – Protocol Buffers for Embedded Systems

  1 project | news.ycombinator.com | 6 Sep 2023

• Looking for a data serialization/deserialization library for use in an embedded system

  1 project | /r/SoftwareEngineering | 31 May 2023

• Exporting Arduino output as .csv file

  1 project | /r/esp32 | 10 May 2023

• Show HN: Homemade rocketship treehouse – hardware to custom OS

  1 project | /r/patient_hackernews | 24 Apr 2023
• A note from our sponsor - SaaSHub
  www.saashub.com | 20 Jul 2026

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