301.uNetworking / uWebSockets
Simple, secure & standards compliant web server for the most demanding of applications
- websockets
- http
- pubsub
- router
- commercial
- cross-platform
- +1 more
Ranked by Attention Score: stars gained over the last 180 complete days
301–400 of 1,530 by Attention Score · May 9, 2026 – Nov 4, 2026 (UTC)
Simple, secure & standards compliant web server for the most demanding of applications
Cap'n Proto serialization/RPC system - core tools and C++ library
CLI11 is a command line parser for C++11 and beyond that provides a rich feature set with a simple and intuitive interface.
C++ library for audio and music analysis, description and synthesis, including Python bindings
GNSS-SDR, an open-source software-defined GNSS receiver
Command the forces of The Project in a battle to rebuild the world after mankind has been nearly destroyed by nuclear missiles. A 100% free and open source real-time strategy game for Windows, macOS, Linux, BSD+
Slam Toolbox for lifelong mapping and localization in potentially massive maps with ROS
Public development project of the LAMMPS MD software package
an efficient feature complete C++ bittorrent implementation
The public CGAL repository, see the README below
OpenFOAM Foundation development repository
LIEF - Library to Instrument Executable Formats (C++, Python, Rust)
Watches files and records, or triggers actions, when they change.
A Fast and Easy to use microframework for the web.
Infrared remote library for ESP8266/ESP32: send and receive infrared signals with multiple protocols. Based on: https://github.com/shirriff/Arduino-IRremote/
High performance server-side application framework
Immediate Mode Plotting
Triton is a dynamic binary analysis library. Build your own program analysis tools, automate your reverse engineering, perform software verification or just emulate code.
The fastest feature-rich C++11/14/17/20/23 single-header testing framework
Kokkos C++ Performance Portability Programming Ecosystem: The Programming Model - Parallel Execution and Memory Abstraction
brpc is an Industrial-grade RPC framework using C++ Language, which is often used in high performance system such as Search, Storage, Machine learning, Advertisement, Recommendation etc. "brpc" means "better RPC".
ZeroMQ core engine in C++, implements ZMTP/3.1
ConEmu: Customizable Windows terminal with tabs, splits, quake-style, hotkeys and more
Static reflection for enums (to string, from string, iteration) for modern C++, work with any enum type without any macro or boilerplate code
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.
Sampling CPU and HEAP profiler for Java featuring AsyncGetCallTrace + perf_events
C++ Insights - See your source code with the eyes of a compiler
C/C++ WebRTC network library featuring Data Channels, Media Transport, and WebSockets
Motion Generation for Robots and Machines. Real-time. Jerk-constrained. Time-optimal.
static analysis of C/C++ code
An unidentifiable mechanism that helps you bypass GFW.
Cross-platform internet upload/download manager for HTTP(S), FTP(S), SSH, magnet-link, BitTorrent, m3u8, mpd, ed2k, and online videos. WebDAV client, FTP client, SSH client.
EASTL stands for Electronic Arts Standard Template Library. It is an extensive and robust implementation that has an emphasis on high performance.
Unicode routines (UTF8, UTF16, UTF32) and Base64: billions of characters per second using SSE2, AVX2, NEON, AVX-512, RISC-V Vector Extension, LoongArch64, POWER. Part of Node.js, WebKit/Safari, Ladybird, Chromium, Cloudflare Workers, Ghostty and Bun.
Repository for OpenCV's extra modules
One stop solution for all Vulkan samples
FUSE-based file system backed by Amazon S3
jank is the native Clojure dialect with seamless C++ interop.
😎🏖️🐬 Your new, 𝙧𝙞𝙙𝙤𝙣𝙠𝙪𝙡𝙞𝙘𝙞𝙤𝙪𝙨𝙡𝙮 smart clipboard manager
cuDF - GPU DataFrame Library
A Python-embedded modeling language for convex optimization problems.
Ultra-low-latency asynchronous C++17 logging and metrics library for performance-critical applications
MSVC's implementation of the C++ Standard Library.
Apache Kvrocks is a distributed key value NoSQL database that uses RocksDB as storage engine and is compatible with Redis protocol.
ROS-based framework and RPi image to control PX4-powered drones 🍀
A LiDAR odometry pipeline that just works
Multiplayer top-down shooter made from scratch in C++. Web version: https://play.hypersomnia.io Made in 🇵🇱
An experimental embedded SQL engine in C++20. Query Parquet, CSV, JSON, Arrow, Avro, SQLite, and Excel files directly with SQL, in-process. Early-stage.
Open source Windows x64 PE packer and crypter. Compresses and encrypts executables with a custom virtual machine into a self extracting stub.
A framework for building native Windows apps with React.
Valdi is a cross-platform UI framework that delivers native performance without sacrificing developer velocity.
Sol3 (sol2 v3.0) - a C++ <-> Lua API wrapper with advanced features and top notch performance - is here, and it's great! Documentation:
WHATWG-compliant and fast URL parser written in modern C++, part of Internet Archive, Node.js, Clickhouse, Redpanda, Kong, Telegram, Adguard, Datadog and Cloudflare Workers.
miniz: Single C source file zlib-replacement library, originally from code.google.com/p/miniz
Deeplake is AI Data Runtime for Agents. It provides serverless postgres with a multimodal datalake, enabling scalable retrieval and training.
A lightweight, high-performance, industrial-grade cross-language logging library (C++/Java/C#/Kotlin/TS/Python/Go), battle-tested in Honor of Kings.
The repository host gives no description.
C++-based high-performance parallel environment execution engine (vectorized env) for general RL environments.
SuperTux source code
Embedded Template Library
C++ Requests: Curl for People, a spiritual port of Python Requests.
Multiphysics Object Oriented Simulation Environment: A robust, modern, extendable, finite element/finite volume framework that excels at creating complex multiphysics simulations.
Modern C++ library for the development of real-time graphical applications
RetDec is a retargetable machine-code decompiler based on LLVM.
C++ Parallel Computing and Asynchronous Networking Framework
🥑 ArangoDB is a native multi-model database with flexible data models for documents, graphs, and key-values. Build high performance applications using a convenient SQL-like query language or JavaScript extensions.
A fast JSON parser/generator for C++ with both SAX/DOM style API
Header-only C++/python library for fast approximate nearest neighbors
OvenMediaEngine (OME) is a Sub-Second Latency Live Streaming Server with Large-Scale and High-Definition. #WebRTC #LLHLS
The fre:ac audio converter project
Powerful, mature open-source cross-platform game engine for Python and C++, developed by Disney and CMU
This repo contains the DirectX Graphics samples that demonstrate how to build graphics intensive applications on Windows.
Real-Time SLAM for Monocular, Stereo and RGB-D Cameras, with Loop Detection and Relocalization Capabilities
a programming library with geometric algorithms
Embedded property graph database built for speed. Vector search and full-text search built in. Implements Cypher.
DeSmuME is a Nintendo DS emulator
Universal grid map library for mobile robotic mapping
Open-source C++ game engine with Lua for 2D and 3D games across mobile, desktop, WebAssembly, and Xbox (UWP).
The Linux perf GUI for performance analysis.
A powerful free cross-platform RTS game engine. - Report issues at https://springrts.com/mantis/
Multi Theft Auto is a game engine that turns Grand Theft Auto: San Andreas into networked multiplayer.
Double-entry accounting system with a command-line reporting interface
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! ;)