C library to create simple HTTP servers and Web Applications.
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a Fast Fourier Transform (FFT) library that tries to Keep it Simple, Stupid
ffmpeg examples in Android / IOS / WinPhone
Mixed-precision math, linear-algebra & retrieval kernels, 4000+ symbols from 4-bit numbers to 128-bit complex, for x86, Arm, RISC-V, LoongArch, Power & WASM, AMX & SME included 📐
Roaring bitmaps in C (and C++), with SIMD (AVX2, AVX-512 and NEON) optimizations: used by Apache Doris, ClickHouse, Alibaba Tair, Redpanda, YDB and StarRocks
- roaring-bitmaps
- visual-studio
- c
- clang
An ultra-lightweight Python interpreter that runs with only 4KB of RAM, zero dependencies. It is ready to use out of the box without any configuration required and easy to extend with C. Similar project: MicroPython, JerryScript.
- python
- micropython
- mcu
- iot
Simple C compiler
- c-compiler
- compiler
- dos
- x86
:snowboarder: EJDB2 — Embeddable JSON Database engine C library. Simple XPath like query language (JQL).
A simple, lightweight, flexible, embeddable, portable and multi-paradigm dynamic programming language for developing applications, tools, and domain-specific languages
Automatically exported from code.google.com/p/micropolis
simple disk I/0 latency measuring tool
DroneBridge is a system based on the WifiBroadcast approach. A bidirectional digital radio link between two endpoints is established using standard WiFi hardware and a custom protocol. DroneBridge is optimized for use in UAV applications and is a complete system. It is intended be a real alternative to other similar systems, such as DJI Lightbridge or OcuSync.
- msp
- telemetry
- wifibroadcast
- dronebridge
Gibson Environments: Real-World Perception for Embodied Agents
- computer-vision
- robotics
- simulator
- sim2real
A portable MQTT C client for embedded systems and PCs alike.
- mqtt-client
- publisher-subscriber
- c
- portable
Simple, modern libpng alternative
- libpng
- c
- c99
- spng
libMesh github repository
- fem
- finite-element-methods
- simulation
- parallel
ESIM: an Open Event Camera Simulator
37 tok/s from Qwen3-Next-80B (48 GB) on a 32 GB laptop, 24 without drafts vs 2.8 for llama.cpp; reading 62 vs 16 tok/s. Faster than llama.cpp on all 13 models compared in Q4_K_M. LLMs bigger than your RAM, pure C, CPU or GPU.
- avx2
- c
- cpu-inference
- gguf
Cyrus IMAP is an email, contacts and calendar server
Lossless compression C library built for ultra-fast decode. Faster than LZ4 (+30% to 90%+; best on ARM64), at a better ratio. Official Rust, Python, Node.js, Go and WASM bindings. Write-once/read-many, with optional seekable archives for O(1) random access.
- arm64
- c
- compression
- lz4
open source software for bidimensional and tridimensional remeshing
- mesh
- mesh-adaptation
- anisotropic-mesh-adaptation
- isotropic-mesh-adaptation
Simulation for spacecraft attitude control system analysis and design
A thin layer of graphic data types
- graphics-library
- vector
- transformations
- matrix
Commodore 64 hardware simulator