C++

libsecp256k1bitcoin-core/secp256k1

A high-performance, high-assurance C library for cryptographic operations on the secp256k1 elliptic curve, optimized for Bitcoin.

Serial Communication Librarywjwwood/serial

A cross-platform C++ library for interfacing with RS-232 serial ports, providing a modern C++ interface similar to PySerial.

CarterCarterCommunity/Carter

A thin layer of extension methods over ASP.NET Core Minimal APIs for more explicit and enjoyable web development.

ZeroFormatterneuecc/ZeroFormatter

A high-performance C# serializer with infinitely fast deserialization for .NET, .NET Core, and Unity.

CacheManagerMichaCo/CacheManager

An open-source caching abstraction layer for .NET that simplifies complex caching scenarios with multi-layer support and advanced features.

olive.ctsoding/olive.c

A single-header, dependency-free 2D graphics library for C that renders pixels directly into memory.

Docker.DotNetMicrosoft/Docker.DotNet

A fully asynchronous .NET (C#) client library for interacting with the Docker Remote API.

SmartDeblurY-Vladimir/SmartDeblur

A desktop application for restoring defocused and blurred images using advanced deconvolution algorithms.

Utf8Jsonneuecc/Utf8Json

A high-performance, zero-allocation JSON serializer for C# that reads/writes directly to UTF8 binary.

Polycodeivansafrin/Polycode

A cross-platform C++/Lua framework for creative coding with 2D/3D graphics, shaders, sound, networking, and physics.

flannmariusmuja/flann

A C++ library for fast approximate nearest neighbor searches in high-dimensional spaces with automatic algorithm selection.

kclkcl-lang/kcl

A constraint-based record and functional language for writing, validating, and managing complex configurations, especially in cloud-native scenarios.

Diamorphinem0nad/Diamorphine

A Linux Kernel Module (LKM) rootkit for hiding processes, granting root privileges, and making files invisible.

ESPAudioearlephilhower/ESP8266Audio

Arduino library for playing MOD, WAV, FLAC, MIDI, RTTTL, OGG/Opus, MP3, and AAC audio files on ESP8266, ESP32, and Raspberry Pi Pico via I2S DACs or software delta-sigma DAC.

lwipEyalAr/lwip

A fast, comprehensive, and dependency-free image processing library for Node.js with native bindings.

CSCorefiloe/cscore

A comprehensive .NET audio library for playing, recording, encoding, decoding, and real-time processing of audio in C#.

Litehtmllitehtml/litehtml

A lightweight HTML/CSS rendering engine that parses and positions HTML elements without drawing dependencies.

Flycastflyinghead/flycast

A multi-platform emulator for Sega Dreamcast, Naomi, Naomi 2, and Atomiswave arcade systems.

EntityFramework-Pluszzzprojects/EntityFramework-Plus

Extends Entity Framework with performance-enhancing features like batch operations, caching, auditing, and query optimization.

EntityXalecthomas/entityx

A fast, type-safe C++11 Entity-Component System for game development and simulation.

go-sdl2veandco/go-sdl2

A Go binding for the SDL2 library, enabling cross-platform multimedia application development in Go.

LodePNGlvandeve/lodepng

A lightweight PNG encoder and decoder library in C and C++ with zero dependencies.

MAVlinkmavlink/mavlink

A lightweight, header-only message marshalling library for communication between drones and ground control stations.

octomapOctoMap/octomap

An efficient probabilistic 3D mapping framework based on octrees for robotics and computer vision applications.

OpenImageIOOpenImageIO/oiio

A robust, format-agnostic library for reading, writing, and processing images, designed for VFX and animation pipelines.

libcudacxxNVIDIA/libcudacxx

NVIDIA's implementation of the C++ Standard Library for CUDA C++ development.

Libsmattiasgustavsson/libs

A collection of single-file public domain libraries for C/C++ development, covering graphics, utilities, and system programming.

webworker-threadsaudreyt/node-webworker-threads

A Node.js module that implements the Web Worker API using native threads for CPU-bound tasks.

CommandLineUtilsnatemcmaster/CommandLineUtils

A .NET library for building command-line applications with argument parsing, validation, and help text generation.

Circlersta2/circle

A C++ bare metal programming environment for Raspberry Pi, providing libraries and drivers for hardware control without an OS.

champchvmp/champ

An open-source ROS-based quadruped controller framework for building and controlling legged robots, based on MIT Cheetah research.

Simdermig1979/Simd

A high-performance C++ image processing and machine learning library optimized with SIMD instructions across multiple CPU architectures.

GBDKgbdk-2020/gbdk-2020

A cross-platform development kit for creating games on classic consoles like the Game Boy, NES, and Sega Master System using C.

novocainealexbw/novocaine

A painless, high-performance audio library for iOS and macOS using Audio Units with simple APIs.

casADicasadi/casadi

A symbolic framework for numeric optimization with automatic differentiation and code generation capabilities.

NBomberPragmaticFlow/NBomber

A distributed load-testing framework for .NET that tests any system regardless of protocol or semantic model using plain C# or F#.