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Top 18 C bare-metal Projects
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Project mention: MAML – a new configuration language (similar to JSON, YAML, and TOML) | news.ycombinator.com | 2025-10-12
In practice, there are still types, they are just validated by your application. I didn’t want Confetti itself to make assumptions. I wanted to give you the freedom to define your own custom types and keywords, like “on” and “off”, or even tri-states like “yes”, “no”, “maybe”.
The problem with mandatory keywords, like “true” and “false”, is they box you into the English language. And how many data types are baked in is arbitrary, for example, TOML has data types for date and time, but JSON does not [1]. Where do you draw the line? Confetti let’s you decide.
You might enjoy reading this take on the subject [2].
[1] https://toml.io/en/v1.0.0#offset-date-time
[2] https://github.com/madmurphy/libconfini/wiki/An-INI-critique...
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TurboStitchGIF-HeaderOnly-Fast-ZeroAllocation-PlatformIndependent-Embedded-C-GIF-Decoder
TurboStitchGIF: A fast, header-only C GIF decoder without dynamic allocations, ideal for embedded systems and cross-platform projects.
Project mention: Show HN: TurboStitchGIF GIF decoder that lets you choose: safety or speed | news.ycombinator.com | 2026-02-22Version 1.2 introduces two LZW backends (safe bounds-checked vs unsafe turbo), micro-cache for 30-40% faster decoding, three output formats (RGB888/RGB565LE/RGBA8888), span-based turbo blit, optional 256KB RGB565 map2 for 2-pixel-at-once rendering, proper disposal method 3 support, renderer API for indexed output, safety toggles to disable checks when you need raw speed, and prefix mode to avoid symbol conflicts — all while staying 100% malloc-free on a user-provided scratch buffer.
Repo: https://github.com/Ferki-git-creator/TurboStitchGIF-HeaderOn...
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c2500re
Documentation of an effort to reverse engineer a Cisco 2501 router, with the end goal to run my own code on it (in particular FreeRTOS)
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MLPico
Static-allocation MLP inference in ANSI C using 2-slot circular buffer with fixed stride indexing. An easy to use, minimal MLP alternative to GiorgosXou/NeuralNetworks enhanced with PROGMEM, int-quantization etc.
Project mention: Show HN: Static-allocation MLP inference in ANSI C using a 2-slot ring buffer | news.ycombinator.com | 2026-05-28 -
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 bare-metal discussion
C bare-metal related posts
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Show HN: TurboStitchGIF GIF decoder that lets you choose: safety or speed
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Virtualizing Nvidia HGX B200 GPUs with Open Source
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Circle – C++ bare metal environment for Raspberry Pi with USB (32 and 64 bit)
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Baking Pi – Operating Systems Development
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MiniScript on a bare-metal Raspberry Pi
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Bare Metal Emulation on the Raspberry Pi – Commodore 64
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hftrx: NEW Extended Research - star count:52.0
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A note from our sponsor - SaaSHub
www.saashub.com | 6 Jun 2026
Index
What are some of the best open-source bare-metal projects in C? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | tilck | 3,095 |
| 2 | circle | 2,253 |
| 3 | baremetal-arm | 828 |
| 4 | rv32emu | 559 |
| 5 | barebox | 301 |
| 6 | mdk | 284 |
| 7 | stm32samples | 199 |
| 8 | libconfini | 181 |
| 9 | hftrx | 112 |
| 10 | bareDOOM | 78 |
| 11 | riscv-os | 65 |
| 12 | TurboStitchGIF-HeaderOnly-Fast-ZeroAllocation-PlatformIndependent-Embedded-C-GIF-Decoder | 49 |
| 13 | computersystems | 49 |
| 14 | c2500re | 31 |
| 15 | FPGA_Multimedia_Player | 4 |
| 16 | guess-the-number | 3 |
| 17 | MLPico | 2 |
| 18 | OpenDOS | 1 |
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