function: concurrency
1023 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| django/channels Django Channels is an official Django project that adds asynchronous, event-driven capabilities such as WebSocket and long-poll HTTP suppor… | 75 | 6352 | stable |
| Nukesor/pueue Pueue is a command-line task management tool for queuing and executing long-running shell commands sequentially or in parallel. A backgroun… | 89 | 6300 | stable |
| ldqk/Masuit.Tools Masuit.Tools is a Swiss-army utility library for C#/.NET bundling dozens of commonly needed helpers: encryption, reflection, LINQ and expre… | 96 | 6185 | active |
| erincatto/box3d Box3D is a 3D rigid body physics engine for games, written in portable C17 with a data-oriented design. It provides collision detection, jo… | 66 | 6174 | active |
| arvidn/libtorrent libtorrent is a feature-complete, efficient C++ library implementing the BitTorrent protocol with support for popular extensions including … | 94 | 6040 | stable |
| twisted/twisted Twisted is an event-driven networking engine and framework for Python, providing an asynchronous reactor plus implementations of many inter… | 82 | 5977 | stable |
| aidlearning/AidLearning-FrameWork AidLux (originally AidLearning) is an AIoT development platform that runs a native Ubuntu Linux environment with GUI, deep learning tooling… | 70 | 5797 | active |
| RIOT-OS/RIOT RIOT is an open-source, vendor-independent operating system for Internet of Things and embedded devices, supporting 8/16/32-bit microcontro… | 95 | 5778 | active |
| python-websockets/websockets websockets is a Python library for building WebSocket servers and clients, with a focus on correctness, simplicity, robustness, and perform… | 99 | 5714 | stable |
| Proto.Actor Proto.Actor is an ultra-fast, cross-platform actor framework for Go, C#/.NET, and Java/Kotlin for building distributed, message-driven syst… | 57 | 5492 | active |
| duke-git/lancet Lancet is a comprehensive utility function library for Go with 700+ reusable functions covering strings, slices, datetime, networking, cryp… | 74 | 5296 | active |
| includeos/IncludeOS IncludeOS is a minimal, resource-efficient unikernel operating system for C++ services, linked directly into your application via `#include… | 60 | 5247 | active |
| quinn-rs/quinn Quinn is a pure-Rust, async-compatible implementation of the IETF QUIC transport protocol, with a high-level tokio-based API plus a sans-I/… | 99 | 5232 | stable |
| aiortc/aiortc aiortc is a Python library implementing WebRTC and ORTC on top of asyncio, with an API closely mirroring the JavaScript WebRTC API. It supp… | 74 | 5094 | active |
| apache/ignite Apache Ignite is a distributed, memory-first database with in-memory speed, ACID transactions, and SQL support across a cluster. It can ser… | 77 | 5079 | stable |
| RandyGaul/cute_headers A collection of cross-platform, single-file C/C++ header-only libraries with no dependencies, primarily aimed at game development. It inclu… | 75 | 5052 | active |
| jankotek/mapdb MapDB is an embedded Java database engine that provides concurrent Maps, Sets, Lists and Queues backed by disk storage or off-heap memory. … | 75 | 5049 | stable |
| microsoft/FluidFramework Fluid Framework is a TypeScript/JavaScript library for building distributed, real-time collaborative web applications using distributed dat… | 95 | 4945 | active |
| Raspberry Pi Pico SDK The official C/C++ SDK for Raspberry Pi Pico and other RP-series microcontrollers, providing headers, libraries, and a CMake-based build sy… | 88 | 4940 | stable |
| nathom/streamrip A scriptable command-line music downloader for Qobuz, Tidal, Deezer, and SoundCloud that supports tracks, albums, playlists, and discograph… | 78 | 4883 | active |
| dromara/dynamic-tp DynamicTp is a lightweight Java framework for managing dynamically configurable, monitored thread pools based on configuration centers like… | 74 | 4800 | active |
| PerryTS/perry Perry is a native TypeScript/JavaScript compiler written in Rust that compiles TypeScript source directly to standalone machine-code execut… | 75 | 4709 | active |
| nanomsg/nng NNG (nanomsg-next-generation) is a lightweight, broker-less messaging library in C implementing scalability protocols like pub/sub, request… | 95 | 4660 | stable |
| cloudwego/netpoll Netpoll is a high-performance non-blocking I/O networking library for Go, developed by ByteDance and focused on RPC scenarios. It provides … | 93 | 4601 | active |
| qinguoyi/TinyWebServer A lightweight C++ web server for Linux built with a thread pool, non-blocking sockets, epoll (ET and LT), and Reactor/simulated-Proactor ev… | 32 | 19653 | maintenance |
| janet-lang/janet Janet is a dynamic functional and imperative Lisp-like programming language with its own bytecode VM, implemented in a single embeddable C … | 85 | 4370 | stable |
| canonical/dqlite dqlite is a C library implementing an embeddable, replicated SQL database engine that extends SQLite across a cluster of machines using the… | 92 | 4368 | active |
| idealvin/coost Coost is a lightweight, cross-platform C++11 base library similar to Boost but much smaller (~1MB static library). It bundles coroutines, a… | 33 | 4211 | active |
| orioledb/orioledb OrioleDB is a cloud-native storage engine for PostgreSQL implemented as an extension using the table access method API. It offers improved … | 92 | 4174 | active |
| laravel/octane Laravel Octane is a first-party Laravel package that dramatically boosts application performance by serving the app through high-powered ap… | 99 | 4035 | active |
| checkpoint-restore/criu CRIU (Checkpoint/Restore In Userspace) is a Linux utility that freezes running applications and checkpoints their state to disk, then resto… | 77 | 3965 | active |
| luvit/luvit Luvit is a Node.js-style asynchronous I/O runtime for Lua, built on libuv and LuaJIT, usable as a standalone CLI scripting platform or a li… | 57 | 3963 | active |
| gildas-lormeau/zip.js zip.js is a BSD-3-Clause JavaScript library for creating and reading zip archives in browsers, Node.js, Deno, and Bun. It supports Zip64, A… | 95 | 3879 | active |
| hhxsv5/laravel-s LaravelS is an out-of-the-box adapter that integrates Laravel/Lumen applications with the Swoole high-performance coroutine server. It enab… | 94 | 3879 | active |
| ballerina-platform/ballerina-lang Ballerina is an open-source, cloud-native programming language optimized for integration, developed by WSO2, with built-in support for JSON… | 97 | 3847 | active |
| abhiTronix/vidgear VidGear is a high-performance, cross-platform Python framework for video processing built around multi-threaded and asynchronous pipelines.… | 76 | 3721 | active |
| tarantool/tarantool Tarantool is an in-memory computing platform combining a fast NoSQL database with a Lua application server. It stores data in RAM with WAL … | 97 | 3665 | stable |
| denoland/std The official Deno Standard Library, a collection of high-quality TypeScript packages published on JSR covering assertions, async utilities,… | 96 | 3558 | stable |
| SurgeDM/Surge Surge is a fast terminal-based download manager written in Go with a keyboard-driven TUI, a headless daemon with an HTTP API, and a CLI for… | 79 | 3490 | active |
| NVIDIA/cuda-python NVIDIA's official Python package for accessing the CUDA platform, providing Pythonic APIs and low-level bindings to CUDA C APIs, parallel a… | 95 | 3359 | active |
| directvt/vtm Vtm is a virtual terminal multiplexer delivered as a single executable that creates a text-based desktop environment bridging TUI and GUI. … | 92 | 3358 | active |
| ibireme/YYKit YYKit is a large collection of high-performance iOS components written in Objective-C, including model serialization, caching, image loadin… | 32 | 13975 | maintenance |
| stellar/stellar-core Stellar Core is the reference C++20 implementation of the peer-to-peer agent that runs the Stellar blockchain network. It maintains a repli… | 98 | 3300 | active |
| root-project/root ROOT is a C++ data analysis framework developed at CERN for storing, processing, and visualizing large scientific datasets, with a columnar… | 96 | 3288 | stable |
| ghc/ghc The Glasgow Haskell Compiler (GHC), the state-of-the-art open-source compiler and interactive environment (GHCi) for the Haskell functional… | 77 | 3275 | active |
| gozfree/gear-lib Gear-Lib is a collection of POSIX C libraries for IoT, embedded, and network service development, covering data structures, networking prot… | 23 | 3223 | active |
| zeromq/netmq NetMQ is a 100% native C# port of the ZeroMQ lightweight messaging library for .NET. It provides asynchronous message-queue sockets support… | 96 | 3180 | active |
| acl-dev/acl Acl is a cross-platform C/C++ network communication library and server programming framework supporting Linux, Windows, macOS, FreeBSD, And… | 90 | 3100 | stable |
| fibjs/fibjs fibjs is a JavaScript runtime built on Chrome's V8 engine that uses fiber-based coroutines with a synchronous, non-blocking IO model. It sh… | 67 | 3098 | active |
| facebook/wangle Wangle is a C++ networking library providing composable client/server abstractions for building protocols, application clients, and servers… | 95 | 3094 | active |
| mirage/mirage MirageOS is a library operating system written in OCaml that compiles application code into fully standalone, specialized unikernels for se… | 96 | 2981 | active |
| userver-framework/userver userver is a production-ready open-source C++ asynchronous framework with coroutines for building microservices, services, and utilities. I… | 92 | 2956 | stable |
| xelatihy/yocto-gl Yocto/GL is a collection of small C++17 libraries for building physically-based graphics algorithms, written in a data-oriented style and r… | 23 | 2925 | active |
| sei-protocol/sei-chain Sei Chain is the Go implementation of the Sei Layer 1 blockchain, a delegated proof-of-stake network featuring a parallelized EVM and CosmW… | 99 | 2844 | active |
| mlua mlua is a Rust library providing safe, high-level bindings to Lua 5.5/5.4/5.3/5.2/5.1 (including LuaJIT) and Luau, with async/await support… | 94 | 2844 | active |
| mono/mono Mono is an open source implementation of Microsoft's .NET Framework based on the ECMA standards for C# and the Common Language Runtime, inc… | 32 | 11466 | maintenance |
| Polkadot SDK Polkadot SDK is the consolidated Rust monorepo merging Substrate, Polkadot, and Cumulus, providing a framework for building blockchains and… | 91 | 2800 | active |
| diku-dk/futhark Futhark is a purely functional, statically typed data-parallel array programming language in the ML family, developed at the University of … | 95 | 2793 | active |
| microsoft/pg_durable pg_durable is a PostgreSQL extension that provides durable execution for long-running, fault-tolerant SQL functions directly inside the dat… | 82 | 2788 | active |
| reactor/reactor-netty Reactor Netty is a JVM library providing non-blocking, backpressure-ready TCP, HTTP, UDP, and QUIC clients and servers built on the Netty f… | 99 | 2778 | active |
| lesismal/nbio NBIO is a pure Go non-blocking, event-driven network I/O library supporting TLS, HTTP/1.x, and WebSocket, largely compatible with net/http.… | 92 | 2755 | active |
| Helvesec/rmux RMUX is a terminal multiplexer written in Rust that is tmux-compatible and natively supports Linux, macOS, and Windows (ConPTY). It ships t… | 78 | 2597 | active |
| tezc/sc A collection of portable, stand-alone C99 libraries and data structures such as hashmap, heap, linked list, logger, and ini parser. Each mo… | 65 | 2570 | active |
| learning-at-home/hivemind Hivemind is a PyTorch library for decentralized deep learning across the Internet, enabling training of large models on hundreds of volunte… | 59 | 2515 | active |
| eclipse-iceoryx/iceoryx2 iceoryx2 is an ultra-low latency inter-process communication middleware with a Rust core, offering true zero-copy, lock-free messaging via … | 80 | 2468 | active |
| google/XNNPACK XNNPACK is a highly optimized C library of floating-point neural network inference operators for ARM, x86, WebAssembly, and RISC-V platform… | 77 | 2435 | active |
| MichaCo/CacheManager CacheManager is an open-source caching abstraction layer for .NET written in C#, supporting multiple cache providers such as Redis, Memcach… | 64 | 2420 | active |
| earendil-works/absurd Absurd is a Postgres-native durable execution (workflow) system that runs long-lived, reliable tasks using only a single SQL schema file an… | 82 | 2384 | 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 |
| gotd/td gotd/td is a full MTProto 2.0 Telegram API client library written in pure Go, supporting both user accounts and bots with generated binding… | 93 | 2318 | stable |
| 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 |
| matrix-org/matrix-rust-sdk A collection of Rust crates implementing the Matrix Client-Server SDK, handling low-level details like encryption, syncing, and room state.… | 95 | 2259 | 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 |
| learnhouse/learnhouse LearnHouse is a next-generation open-source learning management system (LMS) for creating, sharing, and selling educational content. It com… | 99 | 2203 | active |
| vovgou/loxodon-framework Loxodon Framework is a lightweight MVVM and data-binding framework for Unity3D, usable from both C# and Lua (via XLua/ILRuntime). It provid… | 57 | 2202 | active |
| 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 |
| bitwalker/libcluster An Elixir library that automatically forms and heals clusters of Erlang nodes using pluggable strategies such as EPMD, multicast UDP gossip… | 32 | 2155 | stable |
| ruby-shoryuken/shoryuken Shoryuken is a super-efficient, thread-based message processor for Amazon SQS written in Ruby. It integrates with Rails Active Job and prov… | 93 | 2125 | active |
| google-gemini/genai-processors GenAI Processors is a lightweight Python library for building modular, asynchronous, and composable AI pipelines around Gemini and other ge… | 76 | 2120 | active |
| chao325/MaoTai_GUIT A Windows GUI/console application for automated flash-sale purchasing (sniping) on JD, Taobao, and Damai, distributed as a ready-to-run EXE… | 72 | 2097 | active |
| nateware/redis-objects A Ruby gem that maps Redis data types (counters, lists, sets, sorted sets, hashes, locks) directly onto Ruby objects via a simple include, … | 60 | 2095 | active |
| vtereshkov/umka-lang Umka is a statically typed, embeddable scripting language implemented in C99, with a bytecode compiler and virtual machine distributed as a… | 91 | 2091 | active |
| vipshop/vjtools VJTools is vip.com's collection of Java coding standards, core utility libraries (vjkit, vjstar), and JVM diagnostic tools (vjtop, vjmap, v… | 23 | 7623 | maintenance |
| lightseekorg/tokenspeed TokenSpeed is a high-performance LLM inference engine designed for agentic workloads, aiming for TensorRT-LLM-level performance with vLLM-l… | 68 | 1989 | active |
| koush/AndroidAsync AndroidAsync is a low-level asynchronous network protocol library for Android built on Java NIO, providing socket client/server, HTTP(S) cl… | 32 | 7537 | maintenance |
| mirage/irmin Irmin is an OCaml library for building mergeable, branchable distributed data stores following Git's design principles, with clone/push/pul… | 57 | 1957 | active |
| Relm4/Relm4 Relm4 is an idiomatic Rust GUI library inspired by the Elm architecture and built on top of gtk4-rs and GTK4/libadwaita. It provides a decl… | 77 | 1945 | active |
| GameFoundry/B3DFramework B3D Framework (formerly Banshee 3D) is a modern C++17 library providing a foundation for high-performance game engines and real-time graphi… | 77 | 1922 | active |
| agentjido/jido Jido is an autonomous agent framework for Elixir that runs agents as supervised BEAM processes with fault tolerance, signal-based coordinat… | 83 | 1822 | active |
| giampaolo/pyftpdlib pyftpdlib is a pure-Python FTP server library providing a high-level, portable interface for writing fast, scalable, asynchronous FTP serve… | 67 | 1819 | stable |
| dfinity/ic The source code for the Internet Computer blockchain protocol, including the replica software run by node providers. It implements consensu… | 95 | 1785 | active |
| Allenxuxu/gev gev is a lightweight, high-performance non-blocking TCP network library and WebSocket server for Go, built on the Reactor pattern with epol… | 34 | 1774 | active |
| LuxLang/lux Lux is a functional, statically-typed Lisp programming language with a compiler that targets the JVM, JavaScript, Python, Lua, and Ruby. It… | 72 | 1741 | active |
| duanhf2012/origin Origin is a distributed game server engine written in Go, organized around three core abstractions: Node, Service, and Module. It provides … | 86 | 1703 | active |
| nanomsg/nanomsg nanomsg is a C library implementing lightweight 'scalability protocols' for common messaging patterns such as request/reply, publish/subscr… | 88 | 6291 | maintenance |
| Gooddbird/tinyrpc TinyRPC is a C++ asynchronous RPC framework built on a reactor event loop with coroutine support, claiming 140k+ QPS. It supports a custom … | 66 | 1662 | active |
| gaoxiang12/lightning-lm Lightning-LM is a C++ library providing a complete 3D LiDAR SLAM system with fast LIO front-end, real-time loop closure detection, and high… | 51 | 1632 | active |
| bobohume/gonet gonet is a Go-based distributed game server framework built around an actor model with virtual actors, in-memory MMO state, and a stub-base… | 54 | 1610 | active |
| microsoft/coyote Coyote is a .NET library and CLI tool from Microsoft Research for systematically testing concurrent C# code and deterministically reproduci… | 77 | 1592 | active |
| HelenOS/helenos HelenOS is a portable microkernel-based multiserver operating system written from scratch in C, decomposing OS functionality like file syst… | 67 | 1583 | active |