Cross-platform asynchronous I/O

A flexible distributed key-value database that is optimized for caching and other realtime workloads.

Open-source keyboard firmware for Atmel AVR and Arm USB families

Inference Llama 2 in one file of pure C

BlackHole is a modern macOS audio loopback driver that allows applications to pass audio to other applications with zero additional latency.

High performance UI layout library in C.

A very compact representation of a placeholder for an image.

libSQL is a fork of SQLite that is both Open Source, and Open Contributions.

mimalloc is a compact general purpose allocator with excellent performance.

darktable is an open source photography workflow application and raw developer

Extremely Fast Compression algorithm

A small C compiler

H2O - the optimized HTTP/1, HTTP/2, HTTP/3 server

Legacy mirror of Darwin Kernel. Replaced by https://github.com/apple-oss-distributions/xnu

C in four functions

A fast entity component system (ECS) for C & C++

🚀 A fast WebAssembly interpreter and the most universal WASM runtime

Hexagonal hierarchical geospatial indexing system

Up to 100x faster strings for C, C++, CUDA, Python, Rust, Swift, JS, & Go, leveraging NEON, AVX2, AVX-512, SVE, GPGPU, & SWAR to accelerate search, hashing, sorting, edit distances, sketches, and m…

Modern audio compression for the internet.

A tiny JavaScript runtime

QuickJS, the Next Generation: a mighty JavaScript engine

A parallel implementation of gzip for modern multi-processor, multi-core machines.

tiny HTTP parser written in C (used in HTTP::Parser::XS et al.)

Lexbor is development of an open source HTML Renderer library. https://lexbor.com

A board replacement for the classic Casio F-91W wristwatch

A lightweight, fast embeddable scripting language.

A low-level programming language inspired by TypeScript

A concurrency C library 10x faster than Golang.

C Markdown parser. Fast. SAX-like interface. Compliant to CommonMark specification.