platform: cpp
3534 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| Pithikos/C-Thread-Pool A minimal but powerful thread pool implementation in ANSI C built on POSIX threads. It provides a simple API for initializing pools, dispat… | 42 | 2362 | stable |
| wxFormBuilder/wxFormBuilder wxFormBuilder is a visual GUI builder (RAD tool) for the wxWidgets framework that generates C++, Python, Lua, and PHP code, with XRC import… | 52 | 2361 | active |
| ben-strasser/fast-cpp-csv-parser A small, fast, header-only C++11 library for reading CSV files with no external dependencies. It overlaps disk I/O and parsing using thread… | 34 | 2360 | stable |
| eclipse-paho/paho.mqtt.c The Eclipse Paho C client library for the MQTT protocol, enabling applications to connect to an MQTT broker to publish messages and subscri… | 76 | 2359 | stable |
| Neargye/nameof A header-only C++17 library providing nameof macros and functions to obtain the name of variables, types, functions, macros, and enum value… | 91 | 2357 | stable |
| socketio/socket.io-client-cpp A C++11 client library for the Socket.IO real-time event protocol, built on websocket++ with a JS-like API. It supports binary payloads, au… | 40 | 2356 | active |
| chakra-core/ChakraCore ChakraCore is an open-source JavaScript engine with a C API for embedding JavaScript execution into C or C-compatible applications. It was … | 53 | 9258 | maintenance |
| linux-rdma/rdma-core rdma-core provides the userspace libraries and daemons for the Linux kernel's RDMA (drivers/infiniband) subsystem, including libibverbs, li… | 93 | 2352 | stable |
| CelestiaProject/Celestia Celestia is a free, open-source real-time 3D space simulation that lets users explore the universe, traveling seamlessly from galaxy cluste… | 67 | 2351 | active |
| AcademySoftwareFoundation/OpenImageIO OpenImageIO is a C++ library and toolset for reading, writing, and processing images in nearly any file format through a format-agnostic pl… | 98 | 2349 | stable |
| lvandeve/lodepng LodePNG is a standalone PNG encoder and decoder written in C and C++ with no external dependencies, distributed as just two source files. I… | 70 | 2340 | stable |
| facebookincubator/FBX2glTF A command-line tool that converts 3D model assets from Autodesk's FBX format to glTF 2.0, including binary .glb output and Draco compressio… | 56 | 2339 | active |
| idaholab/moose MOOSE is a finite-element, multiphysics simulation framework developed by Idaho National Laboratory, built on top of PETSc's nonlinear solv… | 77 | 2338 | stable |
| steinbergmedia/vst3sdk Steinberg's official SDK for developing VST 3 audio plug-ins, including the API, helper classes, AAX/AU wrappers, and example plug-ins. It … | 76 | 2338 | active |
| MIT-SPARK/TEASER-plusplus TEASER++ is a fast and certifiably-robust C++ library for rigid body point cloud registration in 3D, with Python and MATLAB bindings. It es… | 48 | 2337 | stable |
| sddm/sddm SDDM is a QML-based display manager (login screen) for Linux supporting both X11 and Wayland sessions. It is highly themeable via QtQuick, … | 67 | 2335 | active |
| microsoft/napajs Napa.js is a multi-threaded JavaScript runtime built on V8 that executes JavaScript across multiple V8 isolates with APIs for object transp… | 10 | 9174 | maintenance |
| free-audio/clap CLAP (CLever Audio Plugin) is an open standard C API with a stable ABI that defines how Digital Audio Workstations (hosts) and audio plugin… | 75 | 2334 | stable |
| erengy/taiga Taiga is an open-source Windows desktop application that automatically detects anime videos you watch on your computer and syncs your progr… | 67 | 2329 | active |
| pbatard/libwdi libwdi is a Windows Driver Installer library for USB devices that automates INF creation, catalog signing, driver file extraction, and driv… | 37 | 2327 | active |
| Roboparty/roboto_origin A fully open-source DIY humanoid robot project (ROBOTO_ORIGIN) that can walk and run, including all hardware designs, electronics, training… | 60 | 2326 | active |
| AcademySoftwareFoundation/OpenShadingLanguage Open Shading Language (OSL) is a small, C-like programmable shading language with a compiler and runtime library for advanced production re… | 94 | 2325 | stable |
| wilicc/gpu-burn GPU Burn is a multi-GPU CUDA stress test tool that pushes NVIDIA GPUs to maximum load for stability and thermal testing. It supports config… | 70 | 2322 | active |
| UMSKT/UMSKT UMSKT (Universal MS Key Toolkit) is an open-source C++ CLI toolkit for researching and experimenting with Microsoft's pre-Vista (pre-2012) … | 78 | 2318 | active |
| symisc/unqlite UnQLite is a self-contained, serverless, transactional NoSQL database engine implemented as an embeddable C library. It provides both a bin… | 73 | 2314 | stable |
| appleseedhq/appleseed appleseed is an open source, physically-based global illumination rendering engine designed for animation and visual effects. It ships as a… | 62 | 2313 | active |
| Alex-Rachel/TEngine TEngine is a commercial-grade Unity game development framework in C# with built-in AI-assisted development workflows. It integrates HybridC… | 92 | 2312 | active |
| JingMatrix/TEESimulator TEESimulator is an Android module that defeats hardware-backed key attestation by running AOSP's reference KeyMint trusted application insi… | 83 | 2307 | active |
| android/ndk The Android Native Development Kit (NDK) lets Android developers embed native C/C++ code in their apps as JNI shared libraries. This reposi… | 78 | 2307 | active |
| chvmp/champ CHAMP is an open-source ROS-based development framework for building quadruped robots and developing locomotion control algorithms, based o… | 32 | 2305 | active |
| PRBonn/kiss-icp KISS-ICP is a LiDAR odometry pipeline built around a simple ICP-based approach that works out of the box on most datasets without parameter… | 83 | 2303 | active |
| strukturag/libheif libheif is a C++ library that decodes and encodes HEIF/HEIC and AVIF image files, plus HEIF containers using VVC, AVC, JPEG, and JPEG-2000 … | 99 | 2302 | active |
| ggerganov/kbd-audio A collection of command-line and GUI tools that capture and analyze microphone audio to recover keyboard keystrokes acoustically. Its Keyta… | 23 | 9024 | maintenance |
| ChunelFeng/CGraph CGraph is a cross-platform directed acyclic graph (DAG) execution framework written in pure C++11 with no third-party dependencies, also of… | 95 | 2301 | active |
| fanvanzh/3dtiles A C++ toolkit that converts large-scale 3D geospatial data such as OSGB and Shapefile into Cesium 3D Tiles format. It supports optional mes… | 66 | 2301 | active |
| IENT/YUView YUView is a Qt-based, cross-platform YUV video player with an advanced analytics toolset for inspecting raw video sequences. It supports ma… | 66 | 2301 | active |
| mattiasgustavsson/libs A collection of single-file, public domain (dual MIT) C/C++ libraries covering graphics app frameworks, data structures, threading, HTTP, a… | 61 | 2299 | active |
| Dobiasd/FunctionalPlus FunctionalPlus is a small, header-only C++ library providing pure functional programming helpers like keep_if, forward application, and fun… | 81 | 2295 | stable |
| rsta2/circle Circle is a C++ bare metal programming environment for the Raspberry Pi, providing ready-tested classes and add-on libraries to control har… | 77 | 2295 | active |
| RuntimeCompiledCPlusPlus/RuntimeCompiledCPlusPlus Runtime-Compiled C++ (RCC++) is a C++ library and sample project that lets developers recompile and swap C++ code while a program is runnin… | 54 | 2294 | active |
| UZ-SLAMLab/ORB_SLAM3 ORB-SLAM3 is a real-time SLAM library supporting Visual, Visual-Inertial, and Multi-Map SLAM with monocular, stereo, and RGB-D cameras usin… | 23 | 8986 | maintenance |
| DiscordMessenger/dm Discord Messenger is a free, open-source Discord-compatible chat client written in C++ that runs on Windows versions from NT 3.1 and Window… | 63 | 2292 | active |
| gperftools/gperftools gperftools (Google Performance Tools) is a collection of high-performance multi-threaded malloc implementations (tcmalloc) plus CPU and hea… | 84 | 8978 | maintenance |
| rdp/screen-capture-recorder-to-video-windows-free A free open-source Windows DirectShow virtual capture device and recorder that lets applications like VLC, ffmpeg, and OBS capture or strea… | 44 | 2290 | active |
| acidicoala/SmokeAPI SmokeAPI is a C++ library that hooks the Steamworks SDK to emulate DLC and inventory item ownership in Steam games the user legitimately ow… | 83 | 2289 | active |
| JACoders/OpenJK OpenJK is a community-maintained, open-source reimplementation of the engine powering Star Wars Jedi Knight: Jedi Academy and Jedi Outcast,… | 82 | 2287 | active |
| synfig/synfig Synfig Studio is a free and open-source 2D animation application for creating film-quality animation from vector and bitmap artwork. It use… | 87 | 2282 | active |
| casadi/casadi CasADi is an open-source symbolic framework for gradient-based numerical optimization, implementing forward and reverse mode automatic diff… | 91 | 2281 | stable |
| cjcliffe/CubicSDR CubicSDR is a cross-platform software-defined radio (SDR) application with an OpenGL-accelerated spectrum and waterfall display. It support… | 23 | 2281 | stable |
| andrewssobral/bgslibrary BGSLibrary is a C++ framework for background subtraction in video, offering 43 algorithms for foreground-background separation built on Ope… | 61 | 2277 | active |
| hello245m/free-stockdb A local-first quantitative data engine for China A-share daily/minute K-lines and ETF minute/tick data, combining incremental sync, cleanin… | 68 | 2276 | active |
| VexDB-THU/VexDB-Lite VexDB-Lite is a cross-platform vector similarity search engine implemented as plugins for PostgreSQL, DuckDB, and SQLite, sharing a graph i… | 80 | 2275 | active |
| swaywm/wlroots wlroots is a modular C library providing pluggable, composable modules for building Wayland compositors, including hardware backends, proto… | 10 | 2274 | active |
| open-source-parsers/jsoncpp JsonCpp is a mature C++ library for parsing, manipulating, and serializing JSON values, including support for preserving comments in JSON f… | 84 | 8885 | maintenance |
| herumi/xbyak Xbyak is a C++ header-only JIT assembler for generating x86/x64 machine code at runtime using Intel/MASM-like mnemonics. It supports instru… | 77 | 2269 | active |
| InteractiveComputerGraphics/PositionBasedDynamics A C++ library for physically-based simulation of rigid bodies, deformable solids and fluids using position-based dynamics methods. It is de… | 66 | 2269 | active |
| ibireme/YYText YYText is a powerful iOS text framework for displaying and editing rich text, offering UILabel/UITextView-compatible APIs with high-perform… | 23 | 8870 | maintenance |
| stevengj/nlopt NLopt is a C library providing a unified interface to many free/open-source algorithms for nonlinear local and global optimization, with or… | 81 | 2267 | stable |
| ermig1979/Simd Simd Library is a free open-source C++ image processing and machine learning library with a C API and Python wrapper. Its algorithms are ha… | 98 | 2265 | active |
| fltk/fltk FLTK (Fast Light Tool Kit) is a cross-platform C++ GUI toolkit for Linux (X11/Wayland), Windows, and macOS, providing lightweight, modular … | 89 | 2264 | stable |
| google/boringssl BoringSSL is Google's fork of OpenSSL, serving as the TLS/SSL library in Chrome, Chromium, and Android. It is open source but explicitly no… | 99 | 2262 | active |
| libusb/hidapi HIDAPI is a cross-platform C library for communicating with USB and Bluetooth HID-class devices on Windows, Linux, FreeBSD, macOS, and Andr… | 66 | 2261 | stable |
| material-foundation/material-color-utilities A set of color utilities implementing Material Design 3's color system, including the HCT color space, dynamic color schemes, contrast meas… | 76 | 2250 | stable |
| elalish/manifold A C++ geometry library for creating and operating on manifold triangle meshes that represent solid objects, with guaranteed topologically r… | 96 | 2247 | stable |
| timeplus-io/proton Timeplus Proton is a unified streaming SQL engine shipped as a single dependency-free C++ binary, built on the ClickHouse engine. It ingest… | 93 | 2247 | active |
| AcademySoftwareFoundation/MaterialX MaterialX is an open standard and C++/Python library for representing and exchanging rich material and look-development content across comp… | 86 | 2245 | stable |
| felixguendling/cista Cista is a single-header, dependency-free C++17 library for high-performance serialization and reflection of native C++ data structures, wi… | 69 | 2244 | active |
| plibither8/2048.cpp A fully featured terminal implementation of the 2048 sliding tile puzzle game written in C++11. It builds with CMake or Meson and runs nati… | 32 | 2244 | stable |
| alexdobin/STAR STAR (Spliced Transcripts Alignment to a Reference) is a fast, splice-aware aligner for RNA-seq reads written in C++. It aligns reads to a … | 28 | 2241 | active |
| TTTAttributedLabel/TTTAttributedLabel TTTAttributedLabel is an Objective-C drop-in replacement for UILabel that renders attributed strings with support for embedded links and au… | 23 | 8711 | maintenance |
| mwaterfall/MWPhotoBrowser MWPhotoBrowser is an Objective-C iOS library that displays one or more photos and videos with zooming, panning, captions, and an optional g… | 32 | 8710 | maintenance |
| netease-im/NIM_Duilib_Framework NIM Duilib is a Windows desktop application development framework built on an extended Duilib UI library, integrated with Google's base lib… | 23 | 2231 | stable |
| JasonXuDeveloper/JEngine JEngine is a Unity framework that enables runtime hot updates for games, letting developers push code, assets, and logic changes without re… | 79 | 2230 | active |
| llvm/circt CIRCT (Circuit IR Compilers and Tools) is an LLVM/MLIR-based infrastructure project for building hardware design compilers and tools. It pr… | 95 | 2226 | active |
| mfem/mfem MFEM is a lightweight, modular C++ library for finite element discretization of PDEs, supporting arbitrary high-order element spaces, adapt… | 74 | 2226 | stable |
| rapidsai/cugraph cuGraph is NVIDIA's RAPIDS collection of GPU-accelerated graph analytics libraries, offering Python, C, and C++ APIs for building graphs an… | 94 | 2225 | active |
| mutouyun/cpp-ipc A high-performance C++17 inter-process communication library using shared memory, supporting Linux, Windows, and FreeBSD. It provides lock-… | 73 | 2225 | active |
| ArthurSonzogni/Diagon Diagon is an interactive interpreter that transforms markdown-style expressions into ASCII art diagrams, supporting math expressions, seque… | 32 | 2222 | active |
| SysSec-KAIST/LTESniffer LTESniffer is an open-source LTE downlink/uplink eavesdropper built on FALCON and srsRAN that decodes PDCCH, PDSCH, and PUSCH channels to c… | 20 | 2219 | active |
| asdcorp/ohook ohook is a C-written hook library that masquerades as the Office sppc.dll to intercept the SLGetLicensingStatusInformation license check, e… | 19 | 2218 | active |
| gnss-sdr/gnss-sdr An open-source software-defined GNSS (Global Navigation Satellite System) receiver implemented in C++ on top of GNU Radio. It processes raw… | 81 | 2216 | active |
| rwengine/openrw OpenRW is an open-source, cross-platform re-implementation of the Grand Theft Auto III game engine written in C++. It requires a legitimate… | 44 | 2216 | active |
| AbsInt/CompCert CompCert is a formally verified C compiler whose correctness is machine-checked with the Coq proof assistant, guaranteeing generated assemb… | 78 | 2215 | active |
| nillerusr/source-engine A modified, cross-platform port of Valve's Source game engine (based on the 2017/2018 leaked codebase), extended to run on Android, macOS, … | 57 | 2214 | active |
| FarGroup/FarManager Far Manager is a text-mode file and archive manager for Windows with an orthodox (Norton Commander-style) dual-panel interface. It is highl… | 95 | 2213 | active |
| OpenFOAM/OpenFOAM-dev OpenFOAM-dev is the development repository of OpenFOAM, a free, open-source C++ toolkit for computational fluid dynamics (CFD) maintained b… | 77 | 2213 | active |
| vshymanskyy/TinyGSM TinyGSM is a small Arduino library for controlling GSM/GPRS/LTE cellular modems such as SIM800, SIM900, SIM7000, Quectel, u-blox, and XBee … | 65 | 2212 | active |
| dfeneyrou/palanteer Palanteer is a visual nanosecond profiler and logger for C++ and Python programs, with a single-header C++ instrumentation library and most… | 32 | 2212 | active |
| Encryqed/Dumper-7 Dumper-7 is a C++ DLL that, when injected into an Unreal Engine game, generates a full C++ SDK (headers for engine classes, functions, and … | 96 | 2211 | active |
| aws/aws-sdk-cpp The official AWS SDK for C++, providing a modern C++11 interface to Amazon Web Services with low- and high-level clients. It is production-… | 77 | 2209 | stable |
| unrealcv/unrealcv UnrealCV is an open-source Unreal Engine plugin that connects computer vision research to virtual worlds by exposing a command API and Pyth… | 67 | 2209 | active |
| id-Software/quake2-rerelease-dll The official open-source game DLL code for the 2023 rerelease of Quake II, released by id Software under GPL-2.0. It combines the original … | 28 | 2203 | stable |
| ZLMediaKit/ZLToolKit ZLToolKit is a lightweight C++11 network programming framework built on epoll/kqueue/wepoll with thread pools and asynchronous IO for high-… | 77 | 2200 | stable |
| nmwsharp/polyscope Polyscope is a lightweight C++/Python library and interactive viewer for 3D data such as surface meshes and point clouds. It lets you regis… | 74 | 2199 | active |
| libobjc/SGPlayer SGPlayer is a powerful media playback framework for iOS, macOS, and tvOS built on FFmpeg, Metal, and AudioToolbox. It supports 360° panoram… | 35 | 2194 | active |
| zeroc-ice/ice Ice (Internet Communications Engine) is a complete RPC framework for building networked applications, using the Slice IDL to generate clien… | 91 | 2191 | stable |
| opentx/opentx OpenTX is open-source custom firmware for RC radio transmitters, written in C++. It replaces stock transmitter firmware to provide advanced… | 65 | 2186 | active |
| Stephane-D/SGDK SGDK is a free, open-source development kit for writing Sega Mega Drive / Genesis software in C (with optional 68000 assembly). It bundles … | 78 | 2185 | active |
| risc0/risc0 RISC Zero is a zero-knowledge verifiable general computing platform built on zk-STARKs and a RISC-V-based zkVM. It lets developers prove th… | 94 | 2179 | active |
| MetalPetal/MetalPetal MetalPetal is a GPU-accelerated image and video processing framework built on Apple's Metal API. It provides an image/filter/render pipelin… | 23 | 2179 | active |