Constantine: modular, high-performance, zero-dependency cryptography stack for verifiable computation, proof systems and blockchain protocols.

a tool for testing transport protocol performance over emulated network scenarios

minimal cross-platform standalone C headers

Automated integer hash function discovery

libxev is a cross-platform, high-performance event loop that provides abstractions for non-blocking IO, timers, events, and more and works on Linux (io_uring or epoll), macOS (kqueue), and Wasm + W…

C/C++ Performance Profiler

Design circuit boards with code! ✨ Get software-like design reuse 🚀, validation, version control and collaboration in hardware; starting with electronics ⚡️

canonical libwebsockets.org networking library

🦠 NVMe-TCP at your fingertips 🦠

Cross-platform command-line AV1 / VP9 / HEVC / H264 encoding framework with per scene quality encoding

A fork of aom-av1-psy, which is a fork of aomenc. Designed to open up the encoder for hyper-tuning and fidelity.

A header-only proportional-integral-derivative (PID) controller.

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

The OpenTF Manifesto expresses concern over HashiCorp's switch of the Terraform license from open-source to the Business Source License (BSL) and calls for the tool's return to a truly open-source …

The canonical spec for ulid

Leopard-RS : O(N Log N) MDS Reed-Solomon Block Erasure Code for Large Data

High-quality pro HDR image resizing / scaling C++ library, including a very fast, precise, SIMD Lanczos resizer (header-only C++)

Quibble - the custom Windows bootloader

A fast, concurrent, bounded, single producer, single consumer queue

A WebAssembly port of the SANE API.

SeaweedFS is a fast distributed storage system for blobs, objects, files, and data lake, for billions of files! Blob store has O(1) disk seek, cloud tiering. Filer supports Cloud Drive, cross-DC ac…

A lightweight cross-platform getopt alternative that is tested on Linux, Windows, FreeBSD and macOS. Command line argument parser library for C/C++. Can be used to parse argv and argc parameters.

⚡ KCP - A Fast and Reliable ARQ Protocol

OpenGL 4.6 on Metal

🕵️‍♂️ Collect a dossier on a person by username from thousands of sites

A very simple, header only, implementation of pair arithmetic. Destined to be used when a C++ program needs a local boost in accuracy but cannot easily be refactored to be more numerically stable.

Common libraries and data structures for C.

The SHA-256 Project, developed for NYU Tandon's Applied Cryptography course

Slint is a declarative GUI toolkit to build native user interfaces for Rust, C++, or JavaScript apps.