Trending repositories

501.TorqueGameEngines / Torque3D

The repository host gives no description.

502.RetroShare / RetroShare

RetroShare is a Free and Open Source cross-platform, Friend-2-Friend and secure decentralised communication platform.

503.munich-data-engineering / reflect-cpp

A C++20 library for fast serialization, deserialization and validation using reflection. Supports JSON, Avro, Boost Serialization, BSON, Cap'n Proto, CBOR, Cereal, Command line interfaces, CSV, Environment variables, flexbuffers, msgpack, parquet, TOML, UBJSON, XML, YAML, yas / msgpack.org[C++20]

504.pioneerspacesim / pioneer

A game of lonely space adventure

• game
• space
• simulation
• simulator
• exploration
• elite
• +5 more

505.multitheftauto / mtasa-blue

Multi Theft Auto is a game engine that turns Grand Theft Auto: San Andreas into networked multiplayer.

• multiplayer
• multi-theft-auto
• scripting
• lua
• reverse-engineering
• game-mod
• +14 more

506.openappsec / openappsec

open-appsec is a machine learning security engine that preemptively and automatically prevents threats against Web Application & APIs. This repo include the main code and logic.

• api-security
• application-security
• kubernetes
• nginx
• web-application-firewall
• appsec
• +9 more

507.gerbera / gerbera

UPnP Media Server for 2026: Stream your digital media through your home network and consume it on all kinds of UPnP supporting devices 📱💻📺

• upnp
• mediaserver
• upnp-av
• cmake
• c-plus-plus
• gerbera
• +14 more

508.sofa-framework / sofa

Real-time multi-physics simulation with an emphasis on medical simulation.

• real-time
• simulation
• medical
• physics
• cpp
• framework
• +3 more

509.arx / ArxLibertatis

Cross-platform port of Arx Fatalis, a first-person role-playing game

• opengl
• game
• c-plus-plus
• cmake
• game-engine-3d
• cross-platform
• +4 more

510.argotorg / solidity

Solidity, the Smart Contract Programming Language

• cpp
• ethereum
• smartcontracts
• language
• solidity
• blockchain
• +2 more

511.chenshuo / muduo

Event-driven network library for multi-threaded Linux server in C++11

512.meta / watchman

Watches files and records, or triggers actions, when they change.

513.microsoft / STL

MSVC's implementation of the C++ Standard Library.

514.google / re2

RE2 is a fast, safe, thread-friendly alternative to backtracking regular expression engines like those used in PCRE, Perl, and Python. It is a C++ library.

515.avast / retdec

RetDec is a retargetable machine-code decompiler based on LLVM.

516.snapcast / snapcast

Synchronous multiroom audio player

• audio-player
• sonos
• lms
• synchronous
• audio
• audio-streaming
• +2 more

517.interpretml / interpret

Fit interpretable models. Explain blackbox machine learning.

• machine-learning
• interpretability
• gradient-boosting
• blackbox
• scikit-learn
• xai
• +13 more

518.google / snappy

A fast compressor/decompressor

519.jbeder / yaml-cpp

A YAML parser and emitter in C++

520.nmslib / hnswlib

Header-only C++/python library for fast approximate nearest neighbors

521.gameplay3d / gameplay

Open-source, cross-platform, C++ game engine for creating 2D/3D games.

• open-source
• cross-platform
• c-plus-plus
• engine
• vulkan

522.kungfu-systems / kungfu

Your agents don’t hand off the work. Kungfu keeps the same Work moving across Codex, Claude, OpenCode, and your own execution surface.

• agent
• agent-framework
• agent-memory
• agent-orchestration

523.CLIUtils / CLI11

CLI11 is a command line parser for C++11 and beyond that provides a rich feature set with a simple and intuitive interface.

• cli-parser
• cpp11
• no-dependencies
• cli

524.google / nsjail

A lightweight process isolation tool that utilizes Linux namespaces, cgroups, rlimits and seccomp-bpf syscall filters, leveraging the Kafel BPF language for enhanced security.

• security
• linux-namespaces
• linux
• process-isolation
• seccomp-bpf-policies
• chroot

525.KhronosGroup / Vulkan-Hpp

Open-Source Vulkan C++ API

• cpp
• vulkan

526.PixarAnimationStudios / OpenSubdiv

An Open-Source subdivision surface library.

527.LibrePCB / LibrePCB

A powerful, innovative and intuitive EDA suite for everyone!

• eda
• electronics
• pcb
• schematic
• qt
• linux
• +5 more

528.richgel999 / miniz

miniz: Single C source file zlib-replacement library, originally from code.google.com/p/miniz

529.MusicPlayerDaemon / MPD

Music Player Daemon

• music
• audio
• audio-player

530.SteveMacenski / slam_toolbox

Slam Toolbox for lifelong mapping and localization in potentially massive maps with ROS

531.simbody / simbody

High-performance C++ multibody dynamics/physics library for simulating articulated biomechanical and mechanical systems like vehicles, robots, and the human skeleton.

• multibody-dynamics
• physics-engine
• physics-simulation
• robotics
• biomechanics

532.gnss-sdr / gnss-sdr

GNSS-SDR, an open-source software-defined GNSS receiver

• sdr
• gnss
• c-plus-plus
• signal-processing
• gnuradio
• gnss-sdr
• +5 more

533.timeplus-io / proton

The fastest unified streaming SQL Engine in a single C++ binary. ⚡ Millisecond latency. 100+ GB/s throughput. Continuously compute stateful context from streams, logs, metrics, events, and CDC.

• clickhouse
• kakfa
• sql
• redpanda
• single-binary
• stream-processing
• +10 more

534.fastfloat / fast_float

Fast and exact implementation of the C++ from_chars functions for number types: 4x to 10x faster than strtod, part of GCC 12, MySQL, DuckDB, Chromium, Redis and WebKit/Safari

• cpp11
• cpp17
• cpp-library
• high-performance
• freebsd
• linux
• +5 more

535.milkytracker / MilkyTracker

A Fasttracker II compatible music editor

• audio
• chiptune-tracker
• multiplatform
• music
• tracker-music

536.Farama-Foundation / ViZDoom

Reinforcement Learning environments based on the 1993 game Doom :godmode:

• deep-learning
• reinforcement-learning
• python
• vizdoom
• doom
• examples
• +2 more

537.blend2d / blend2d

2D Vector Graphics Engine Powered by a JIT Compiler

• 2d-graphics
• rasterization
• asmjit
• jit
• cpp

538.mkiol / dsnote

Speech Note Linux app. Note taking, reading and translating with offline Speech to Text, Text to Speech and Machine translation.

• asr
• sailfishos
• stt
• tts
• flatpak-applications
• linux-desktop
• +9 more

539.martinus / unordered_dense

A fast & densely stored hashmap and hashset

• c-plus-plus
• cpp17
• cpp
• hash
• hash-tables
• header-only-library
• +4 more

540.brainboxdotcc / DPP

C++ Discord API Bot Library - D++ is Lightweight and scalable for small and huge bots!

• cpp
• discord
• discord-bot
• library
• linux
• ssl
• +14 more

541.spacehuhn / esp8266_beaconSpam

Creates up to a thousand WiFi access points with custom SSIDs.

• ssid
• custom-ssids
• wifi
• esp8266
• spam
• flood
• +1 more

542.ridiculousfish / libdivide

Official git repository for libdivide: optimized integer division

543.apache / openoffice

Apache OpenOffice

• openoffice
• cplusplus
• content

544.MOLAorg / mola

A Modular Optimization framework for Localization and mApping (MOLA)

• slam
• lidar
• lidar-point-cloud
• localization
• mobile-robots
• graph-slam
• +6 more

545.wildmeshing / fTetWild

Fast Tetrahedral Meshing in the Wild

546.TJU-Aerial-Robotics / GeoMonoPlan

Geometry-Aware Monocular RGB Planning

547.IvanMurzak / Unreal-MCP

AI Game Developer for Unreal Engine — MCP plugin (C++ editor plugin + .NET bridge), unreal-cli, connects Unreal Editor to AI agents via ai-game.dev or a local MCP server

• ai
• ai-tools
• gamedev
• mcp
• mcp-server
• unreal
• +14 more

548.swoole / swoole-src

🚀 Coroutine-based concurrency library for PHP

• swoole
• coroutines
• php
• websocket
• event
• concurrency

549.Tencent / MMKV

An efficient, small mobile key-value storage framework developed by WeChat. Works on Android, iOS, macOS, Windows, POSIX, and OHOS.

• android
• ios
• kotlin
• swift
• macos
• key-value
• +9 more

550.polybar / polybar

A fast and easy-to-use status bar

• polybar
• linux
• bar
• window-manager
• i3wm
• bspwm
• +3 more

551.Tencent / rapidjson

A fast JSON parser/generator for C++ with both SAX/DOM style API

552.cameron314 / concurrentqueue

A fast multi-producer, multi-consumer lock-free concurrent queue for C++11

553.SFML / SFML

Simple and Fast Multimedia Library

• sfml
• c-plus-plus
• multimedia
• games
• opengl
• sdk
• +4 more

554.apache / thrift

Apache Thrift

• d
• thrift
• cplusplus
• dart
• actionscript
• http
• +5 more

555.electronicarts / EASTL

EASTL stands for Electronic Arts Standard Template Library. It is an extensive and robust implementation that has an emphasis on high performance.

• eastl
• stl
• games
• c-plus-plus
• c-plus-plus-11
• c-plus-plus-14
• +3 more

556.bblanchon / ArduinoJson

📟 JSON library for Arduino and embedded C++. Simple and efficient.

• arduino
• c-plus-plus
• iot
• embedded
• arduino-library
• json
• +2 more

557.mandliya / algorithms_and_data_structures

180+ Algorithm & Data Structure Problems using C++

• algorithm
• c
• cpp
• interview-questions
• interview-practice
• data-structures
• +7 more

558.ledger / ledger

Double-entry accounting system with a command-line reporting interface

• ledger
• plaintext-accounting
• accounting
• command-line-tool

559.leethomason / tinyxml2

TinyXML2 is a simple, small, efficient, C++ XML parser that can be easily integrated into other programs.

560.KhronosGroup / Vulkan-Samples

One stop solution for all Vulkan samples

• vulkan-api
• vulkan
• vulkan-samples
• graphics
• graphics-programming
• cpp
• +3 more

561.nghttp2 / nghttp2

nghttp2 - HTTP/2 C Library and tools

• c
• http2
• http3
• quic
• cpp20

562.alandefreitas / matplotplusplus

Matplot++: A C++ Graphics Library for Data Visualization 📊🗾

• plot-categories
• data-visualization
• contour-plots
• polar-plots
• matplot
• data-analysis
• +10 more

563.include-what-you-use / include-what-you-use

A tool for use with clang to analyze #includes in C and C++ source files

564.cameron314 / readerwriterqueue

A fast single-producer, single-consumer lock-free queue for C++

565.asmjit / asmjit

Low-latency machine code generation

• x86
• x86-64
• jit
• assembler
• asmjit
• cpp
• +5 more

566.facebookincubator / velox

A composable and fully extensible C++ execution engine library for data management systems.

• data-management
• query-processing

567.1technophile / OpenMQTTGateway

MQTT gateway for ESP8266 or ESP32 with bidirectional 433mhz/315mhz/868mhz, Infrared communications, BLE, Bluetooth, beacons detection, mi flora, mi jia, LYWSD02, LYWSD03MMC, Mi Scale, TPMS, BBQ thermometer compatibility & LoRa.

• mqtt
• gateway
• openhab2
• home-automation
• home-assistant
• wemos-d1
• +13 more

568.OpenXRay / xray-16

Improved version of the X-Ray Engine, the game engine used in the world-famous S.T.A.L.K.E.R. game series by GSC Game World. Join OpenXRay! ;)

• directx11
• opengl
• cpp17
• game-engine
• stalker
• xray-engine
• +14 more

569.p-ranav / argparse

Argument Parser for Modern C++

• cpp17
• header-only
• library
• argument-parser
• cross-platform
• mit-license

570.greg7mdp / parallel-hashmap

A family of header-only, very fast and memory-friendly hashmap and btree containers.

• hash
• tables
• unordered-map
• unordered-set
• hash-container
• parallel
• +4 more

571.bshoshany / thread-pool

BS::thread_pool: a fast, lightweight, modern, and easy-to-use C++17 / C++20 / C++23 thread pool library

• thread-pool
• threadpool
• multithreading
• cpp
• cpp17
• cplusplus
• +13 more

572.userver-framework / userver

Production-ready C++ Asynchronous Framework with rich functionality

• async
• asynchronous
• coroutines
• database-access
• cplusplus
• web
• +14 more

573.flyinghead / flycast

Flycast is a multiplatform Sega Dreamcast, Naomi, Naomi 2 and Atomiswave emulator

• emulation
• sega-dreamcast
• sega-naomi
• emulator

574.OctoMap / octomap

An Efficient Probabilistic 3D Mapping Framework Based on Octrees. Contains the main OctoMap library, the viewer octovis, and dynamicEDT3D.

575.cyberman54 / ESP32-Paxcounter

Wifi & BLE driven passenger flow metering with cheap ESP32 boards

• wifi
• ttgo
• lopy
• heltec
• ttn
• lorawan
• +14 more

576.tsujan / Kvantum

A Linux SVG-based theme engine for Qt

577.strukturag / libde265

Open h.265 video codec implementation.

578.alexliniger / MPCC

Model Predictive Contouring Controller (MPCC) for Autonomous Racing

579.dealii / dealii

The development repository for the deal.II finite element library

• finite-elements
• c-plus-plus
• fem
• hpc
• parallel-computing
• scientific-computing
• +1 more

580.ethz-adrl / control-toolbox

The Control Toolbox - An Open-Source C++ Library for Robotics, Optimal and Model Predictive Control

• optimal-control
• model-predictive-control
• ilqr
• ilqg
• robotics
• trajectory-optimization
• +9 more

581.hku-mars / loam_livox

A robust LiDAR Odometry and Mapping (LOAM) package for Livox-LiDAR

• loam
• livox-lidar

582.greenheartgames / greenworks

a node.js plugin to integrate nw.js/electron games with steamworks

• steamworks
• steam
• steam-games
• electron
• nwjs
• nodejs

583.NtQuery / Scylla

Imports Reconstructor

584.simsong / bulk_extractor

This is the development tree. Production downloads are at:

585.PDAL / PDAL

PDAL is Point Data Abstraction Library. GDAL for point cloud data.

586.KratosMultiphysics / Kratos

Kratos Multiphysics (A.K.A Kratos) is a framework for building parallel multi-disciplinary simulation software. Modularity, extensibility and HPC are the main objectives. Kratos has BSD license and is written in C++ with extensive Python interface.

• kratos
• fem
• dem
• parallel-computing
• openmp
• numerical-methods
• +7 more

587.fenrus75 / powertop

The Linux PowerTOP tool -- please post patches to the mailing list instead of using github pull requests

588.PRBonn / depth_clustering

:taxi: Fast and robust clustering of point clouds generated with a Velodyne sensor.

• catkin
• velodyne-sensor
• segmentation
• clustering
• velodyne
• real-time
• +11 more

589.Unvanquished / Unvanquished

Unvanquished is a free and open source FPS/RTS hybrid game powered by the Daemon game engine. Historically based on Tremulous as a continuation with decades of work over it.

• game
• game-development
• librocket
• idtech3
• xreal
• tremulous
• +12 more

590.ddnet / ddnet

DDraceNetwork, a free cooperative platformer game

• ddnet
• teeworlds
• hacktoberfest
• open-source-game
• linux
• windows
• +6 more

591.MediaArea / MediaInfoLib

Convenient unified display of the most relevant technical and tag data for video and audio files.

• mediainfo
• mediainfolib
• video
• audio
• metadata

592.VectorCamp / vectorscan

A portable fork of the high-performance regular expression matching library

• hyperscan
• regex
• simd
• vectorscan

593.cursey / safetyhook

C++23 procedure hooking library.

• hook
• hooks
• detour
• detours
• hooking
• cmkr

594.Devsh-Graphics-Programming / Nabla

Vulkan, OptiX and CUDA Interoperation Modular Rendering Library and Framework for PC/Linux/Android

• vulkan
• raytracing
• graphics-engine
• graphics-library
• optix
• optix-denoiser
• +12 more

595.pokerth / pokerth

PokerTH is a poker game written in C++/Qt.

• board-game
• family-game
• multiplayer
• poker
• pokerth
• texas-holdem
• +11 more

596.jupyter-xeus / cpp-terminal

C++ library for writing multiplatform terminal applications

597.Desbordante / desbordante-core

Desbordante is a high-performance data profiler that is capable of discovering many different patterns in data using various algorithms. It also allows to run data cleaning scenarios using these algorithms. Desbordante has a console version and an easy-to-use web application.

• data-analytics
• data-cleaning
• data-cleansing
• data-engineering
• data-exploration
• data-mining
• +14 more

598.villagesql / villagesql-server

VillageSQL - a drop-in replacement for MySQL with extensions

• extensions
• mysql
• database
• drop-in-replacement
• villagesql

599.spuicey / loopcut

Loopcut: an AI agent that works inside Blender. A fork of Blender (GPL).

• 3d
• agent
• ai-agent
• blender
• blender-addon
• bpy
• +3 more

600.Sedeniono / tiny-optional

Drop-in replacement for std::optional that does not waste memory unnecessarily

• c-plus-plus
• optional
• c-plus-plus-17
• memory-efficiency
• cache-friendly
• cpp
• +2 more