CMake

memory-allocatorsmtrebi/memory-allocators

A collection of custom memory allocators in C++ designed to outperform standard malloc for specific allocation patterns.

rust-rdkafkafede1024/rust-rdkafka

A fully asynchronous, futures-based Apache Kafka client library for Rust built on librdkafka.

cmarkcommonmark/cmark

A C reference implementation of CommonMark for parsing and rendering Markdown documents to multiple formats.

Crow Translatecrow-translate/crow-translate

A lightweight desktop translator that translates and speaks text using multiple online translation APIs.

Traffic Serverapache/trafficserver

A fast, scalable, and extensible HTTP/1.1, HTTP/2, and HTTP/3 compliant caching proxy server for building cloud services.

Raspberry Pi Embedderardera/flutter-pi

A lightweight Flutter Engine embedder for Raspberry Pi and Linux embedded systems that runs without X11 or Wayland.

miomandreyel/mio

A cross-platform C++11 header-only library for memory-mapped file I/O with zero dependencies.

GitAheadgitahead/gitahead

A graphical Git client for visualizing and managing source code history across Windows, Linux, and macOS.

Blend2Dblend2d/blend2d

A high-performance 2D vector graphics engine powered by a JIT compiler for real-time rendering.

NVRHINVIDIA-RTX/NVRHI

A cross-platform abstraction layer for Direct3D 11/12 and Vulkan with automatic resource management and validation.

loguruemilk/loguru

A lightweight, fast, and flexible C++ logging library with minimal dependencies and easy integration.

kissfftmborgerding/kissfft

A simple, portable Fast Fourier Transform (FFT) library for C with support for fixed and floating point data types.

libde265strukturag/libde265

An open-source implementation of the H.265/HEVC video codec with a plain C API for easy integration.

cImguicimgui/cimgui

A thin, auto-generated C API wrapper for Dear ImGui, enabling its use from other programming languages via C bindings.

Toggl Desktoptoggl-open-source/toggldesktop

Native desktop time tracking client for Toggl Track with idle detection, reminders, and Pomodoro timer.

rabbitmq-calanxz/rabbitmq-c

A C-language AMQP client library for connecting applications to RabbitMQ brokers (v2.0+).

grpc-rstikv/grpc-rs

A Rust wrapper for gRPC Core providing high-performance RPC with async support and HTTP/2.

libquicdevsisters/libquic

A C++ library implementing the QUIC protocol, extracted from Chromium with minimal dependencies.

reflect-cppgetml/reflect-cpp

A C++20 library for fast serialization, deserialization, and validation using reflection, supporting JSON, Avro, CSV, Parquet, and more.

Wtemweb/wt

A C++ library for building web applications with a widget-based approach and built-in HTTP server.

LZFSElzfse/lzfse

A Lempel-Ziv compression algorithm using Finite State Entropy coding for high-speed compression and decompression.

fltk-rsfltk-rs/fltk-rs

Rust bindings for the FLTK GUI library, enabling cross-platform, lightweight, and fast desktop applications.

CRoaringRoaringBitmap/CRoaring

A high-performance C/C++ library for compressed bitmaps with SIMD optimizations, used in databases like ClickHouse and Apache Doris.

GitHub repositoryethz-asl/libpointmatcher

A modular C++ library implementing the Iterative Closest Point (ICP) algorithm for aligning 2D and 3D point clouds in robotics and computer vision.

NumKongashvardanian/NumKong

A portable mixed-precision math library with 2,000+ SIMD kernels for 15+ numeric types across x86, Arm, RISC-V, and WebAssembly.

simdutfsimdutf/simdutf

A high-performance C++ library for Unicode validation and transcoding (UTF-8/16/32, Latin1, Base64) using SIMD instructions.

RBDOOM-3-BFGRobertBeckebans/RBDOOM-3-BFG

A Doom 3 BFG Edition source port with modern DX12/Vulkan renderer, PBR, global illumination, and enhanced modding support.

moderngpumoderngpu/moderngpu

A header-only C++ library for CUDA providing accelerated primitives for solving irregularly parallel problems on GPUs.

tcpflowsimsong/tcpflow

A TCP/IP packet demultiplexer that captures and reconstructs TCP connections into separate files for protocol analysis and forensics.

LuaBridgevinniefalco/LuaBridge

A lightweight, dependency-free library for binding Lua to C++.

LibTomCryptlibtom/libtomcrypt

A comprehensive, modular, and portable cryptographic toolkit providing block ciphers, hash functions, PRNGs, public key cryptography, and more.

DirectXMathmicrosoft/DirectXMath

An all inline SIMD C++ linear algebra library optimized for games and graphics applications.

loam_velodynelaboshinl/loam_velodyne

A realtime LiDAR odometry and mapping (LOAM) method for state estimation and mapping using 3D lidar sensors like Velodyne VLP16.

BodenAshampooSystems/boden

A purely native C++ cross-platform GUI framework for building Android and iOS applications with native widgets.

VkFFTDTolm/VkFFT

A high-performance GPU-accelerated Fast Fourier Transform library supporting Vulkan, CUDA, HIP, OpenCL, Level Zero, and Metal backends.

OpenXLSXtroldal/OpenXLSX

A C++ library for reading, writing, creating, and modifying Microsoft Excel .xlsx files.