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Top 23 C CMake Projects
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Project mention: Show HN: Cartoony AI Voices on ESP32 with Pitch Shifting | news.ycombinator.com | 2025-08-05
I show how to use Pitch shifting supported by the arduino-audio-tools[1] and ElatoAI[2] library on ESP32 to get OpenAI Realtime and Gemini Live Voices to sound like cartoons like Alvin and the Chipmunks or Hulk.
[1] https://github.com/pschatzmann/arduino-audio-tools
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uriparser
:hocho: Strictly RFC 3986 compliant URI parsing and handling library written in C99; moved from SourceForge to GitHub
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AppInitHook
Global user-mode hooking framework, based on AppInit_DLLs. The goal is to allow you to rapidly develop hooks to inject in an arbitrary process.
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galaxy_visualization_raylib
This project visualizes 100,000 real galaxies in blue and 100,000 randomly distributed galaxies in red. The data is sourced from the GPU programming course at: Åbo Akademi University. Additional redshift survey data is also provided.
Project mention: Show HN: Galaxy visualization using Redshift data (Raylib, C) | news.ycombinator.com | 2026-01-16 -
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autark
A Self-contained build system that resides entirely with your project and requires only shell and a C compiler to work!
Project mention: Autark: Rethinking build systems – Integrate, Don’t Outsource | dev.to | 2025-11-04A formal syntax description in PEG format can be found here: https://github.com/Softmotions/autark/blob/master/scriptx.leg. Special thanks to Ian Piumarta for his excellent PEG parser generator which I’ve used in many of my projects.
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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 CMake discussion
C CMake related posts
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I built a Cargo-like build tool for C/C++
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Show HN: Galaxy visualization using Redshift data (Raylib, C)
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Galaxy visualization using Redshift data (Raylib, C)
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Show HN: Cartoony AI Voices on ESP32 with Pitch Shifting
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gulc: writing a clone of C++’s vector in C
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Building a Lightweight C++ Camera Library for Barcode Scanning on Linux
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How to Build a Command-Line Barcode Reader with Rust and C++ Barcode SDK
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A note from our sponsor - SaaSHub
www.saashub.com | 9 Jun 2026
Index
What are some of the best open-source CMake projects in C? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | arduino-audio-tools | 2,291 |
| 2 | libsndfile | 1,702 |
| 3 | genie | 982 |
| 4 | libspng | 827 |
| 5 | libsamplerate | 734 |
| 6 | stm32-cube-cmake-vscode | 707 |
| 7 | reproc | 632 |
| 8 | wl-mirror | 500 |
| 9 | uriparser | 409 |
| 10 | openssl-cmake | 305 |
| 11 | astera | 295 |
| 12 | AppInitHook | 183 |
| 13 | Muon | 178 |
| 14 | galaxy_visualization_raylib | 91 |
| 15 | ColumbaEngine | 86 |
| 16 | STM32-CMAKE-TEMPLATE | 54 |
| 17 | breakhack | 39 |
| 18 | lm8 | 24 |
| 19 | PIC32-Project-Template | 18 |
| 20 | TotalGB | 17 |
| 21 | autark | 15 |
| 22 | cmdfx | 15 |
| 23 | uqm-vita | 7 |
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