function: concurrency
1023 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| ylmbtm/GameProject3 A cross-platform multi-process game server framework written in C++, with the network layer implemented three ways (Socket API, Boost Asio,… | 40 | 1581 | active |
| php-standard-library/php-standard-library PSL is a standard library for PHP inspired by Hack's HSL, providing consistent, well-typed APIs for collections, async, I/O, cryptography, … | 94 | 1561 | active |
| DBOS Transact DBOS Transact is an open-source library (Python and TypeScript SDKs) that adds lightweight durable workflows to applications by checkpointi… | 86 | 1553 | active |
| google/tensorstore TensorStore is a C++ and Python library for reading and writing large multi-dimensional arrays with a uniform API across formats like zarr,… | 77 | 1536 | active |
| occlum/occlum Occlum is a memory-safe, multi-process library OS (LibOS) written in Rust for Intel SGX enclaves. It lets legacy applications run inside se… | 52 | 1532 | active |
| fubark/cyber Cyber is a fast, memory-safe scripting language with a VM and JIT, supporting dynamic and optional static typing plus concurrency via fiber… | 49 | 1518 | active |
| kelindar/column A Go library providing a high-performance, columnar, in-memory storage engine with bitmap indexing. It supports fast querying, batch update… | 36 | 1512 | active |
| llychao/m3u8-downloader A cross-platform command-line M3U8 video downloader written in Go. It parses M3U8 playlists, downloads TS segments with multiple threads an… | 23 | 1491 | active |
| Shopify/semian Semian is a Ruby resiliency library that prevents cascading failures when accessing slow or unresponsive external services like databases a… | 86 | 1484 | stable |
| apache/ratis Apache Ratis is a highly customizable Java library implementing the Raft consensus protocol for managing replicated logs and state. It offe… | 77 | 1474 | stable |
| Water-Melon/Melon Melon is a generic cross-platform C library (C99) bundling algorithms, data structures, functional components (memory pool, thread pool, ev… | 70 | 1460 | active |
| gambit/gambit Gambit is a complete, portable, and efficient implementation of the Scheme programming language, including an interpreter (gsi) and an opti… | 77 | 1440 | stable |
| algorand/go-algorand The official Go implementation of the Algorand blockchain protocol, including the algod node software and goal CLI tool. It lets users run … | 98 | 1432 | active |
| aio-libs/aiopg aiopg is a Python library for accessing PostgreSQL databases from asyncio applications, wrapping the asynchronous features of the Psycopg d… | 48 | 1431 | active |
| Tencent/tquic TQUIC is a high-performance, lightweight, cross-platform library implementing the IETF QUIC and HTTP/3 protocols, written in Rust with APIs… | 55 | 1428 | active |
| vurtun/lib A collection of five single-header C/C++ libraries (json.h, sched.h, web.h, sdefl.h, sinfl.h) providing a JSON parser, multithreaded task s… | 38 | 1427 | active |
| Isaacdelly/Plutus Plutus is a Python CLI tool that brute-forces Bitcoin private keys by generating sequential keys via elliptic curve point addition and chec… | 59 | 1423 | active |
| trilinos/Trilinos Trilinos is a collection of C++ libraries and an object-oriented software framework for solving large-scale, complex multi-physics engineer… | 95 | 1418 | stable |
| Tencent/flare Flare is a modern C++20 backend service development framework from Tencent, widely used in production for Tencent Ads with tens of thousand… | 73 | 1404 | stable |
| qq362946/Fantasy Fantasy is a zero-reflection, high-performance C# game server framework designed for large-scale multiplayer online games, built on an ECS … | 94 | 1397 | active |
| Holochain Holochain is an open-source Rust framework for building peer-to-peer applications that run on users' own devices without centralized server… | 98 | 1392 | active |
| AimRT/AimRT AimRT is a high-performance runtime framework for modern robotics built on modern C++20, covering robot end-side, edge, and cloud deploymen… | 82 | 1390 | active |
| agentenv/agentflow AgentFlow is a Python library for orchestrating large numbers of LLM agents (Codex, Claude, Kimi, Pi) as programmatic dependency graphs wit… | 59 | 1377 | active |
| procrastinate-org/procrastinate Procrastinate is a Python distributed task processing library that uses PostgreSQL as its task queue backend, supporting both sync and asyn… | 96 | 1374 | active |
| bytedance/flux Flux is a GPU kernel library from ByteDance that overlaps computation with communication for tensor and expert parallelism in dense and MoE… | 33 | 1354 | active |
| Dreaming381/Latios-Framework The Latios Framework is a suite of high-performance, low-level APIs and feature modules that extend and complement Unity's ECS (DOTS) for g… | 98 | 1346 | active |
| fortran-lang/stdlib A community-driven de facto standard library for Fortran, providing utilities, algorithms, and mathematical routines missing from the ISO F… | 86 | 1344 | active |
| vmihailenco/taskq A Go library for asynchronous task/job queues with pluggable backends including Redis, AWS SQS, IronMQ, and in-memory. It turns Go function… | 31 | 1341 | active |
| copperspice/copperspice CopperSpice is a set of cross-platform C++ libraries (Core, Gui, Network, Multimedia, SQL, OpenGL, Vulkan, WebKit, XML, and more) derived f… | 74 | 1324 | active |
| sylar-yin/sylar Sylar is a high-performance C++ server framework built around user-space coroutines (fibers) with modules for logging, configuration, threa… | 32 | 4692 | maintenance |
| vivoblueos/kernel BlueOS kernel is an operating system kernel written in Rust by Vivo, emphasizing security, lightweight design, and generality. It is POSIX-… | 62 | 1312 | active |
| yedf2/handy Handy is a simple, easy-to-use C++11 network server library supporting high-concurrency TCP/UDP servers with epoll on Linux and kqueue on m… | 23 | 4644 | maintenance |
| hydro-project/hydro Hydro is a Rust framework for building correct and performant distributed systems using location-oriented programming, where a single progr… | 93 | 1292 | active |
| mighty-gerbils/gerbil Gerbil is an opinionated dialect of Scheme built on the Gambit runtime and compiler, featuring a state-of-the-art macro system (native synt… | 78 | 1268 | active |
| category-labs/monad The execution component of a Monad blockchain node, written in C++. It contains a custom EVM implementation, a purpose-built database (Mona… | 99 | 1219 | active |
| corosync/corosync Corosync is a C-based Group Communication System providing a closed process group communication model with virtual synchrony guarantees, pl… | 73 | 1218 | active |
| vibe-d/vibe.d vibe.d is a high-performance asynchronous I/O, concurrency, and web application toolkit for the D programming language. It bundles an HTTP … | 82 | 1214 | active |
| lemunozm/message-io message-io is a Rust library that provides a fast, event-driven networking API over TCP, UDP, and WebSocket transports. It manages OS socke… | 72 | 1197 | active |
| markparticle/WebServer A high-performance HTTP web server written in C++14 for Linux, using epoll-based Reactor concurrency with a thread pool, achieving 10,000+ … | 32 | 4113 | maintenance |
| madsim-rs/madsim MadSim is a Rust async runtime similar to tokio that enables deterministic simulation testing for distributed systems. It mocks I/O interfa… | 62 | 1150 | active |
| inducer/pyopencl PyOpenCL is a Python wrapper providing Pythonic access to the OpenCL parallel computation API, letting you run kernels on GPUs and other ma… | 99 | 1149 | stable |
| jdx/hk hk is a fast, language-agnostic git hook manager and project linter written in Rust. It runs linters and formatters concurrently with read/… | 84 | 1143 | active |
| MoonshotAI/MoonEP MoonEP is an Expert Parallelism communication library for Mixture-of-Experts training that keeps token loads perfectly balanced across rank… | 56 | 1101 | active |
| chaps-io/gush Gush is a Ruby gem for defining and running parallel workflows as directed acyclic graphs, using Redis for storage and ActiveJob for job sc… | 53 | 1100 | active |
| Qihoo360/evpp evpp is a modern C++11 network library built on libevent for developing high-performance, nonblocking, multi-threaded TCP, UDP, and HTTP se… | 23 | 3773 | maintenance |
| kingston-csj/jforgame jforgame is a lightweight, high-performance Java framework for building game servers, providing modular components for socket/WebSocket com… | 96 | 1088 | active |
| zpl-c/zpl zpl is a C99 cross-platform, header-only library that provides a set of commonly needed utilities for C/C++ development, replacing and exte… | 31 | 1071 | active |
| kordlib/kord Kord is a coroutine-based, modular Kotlin library implementing the Discord API for building bots on Kotlin/JVM and Kotlin/JS. It provides m… | 81 | 1059 | active |
| endojs/endo Endo is a JavaScript framework for building secure plugin systems and resisting supply chain attacks, built on the SES (Secure ECMAScript) … | 95 | 1053 | stable |
| lasp-lang/partisan Partisan is a scalable, TCP-based membership system and distribution layer for the BEAM that replaces Distributed Erlang with pluggable ove… | 68 | 1047 | active |
| walkor/GatewayWorker GatewayWorker is a PHP framework built on Workerman for rapidly developing long-connection applications using a Gateway/Worker process mode… | 38 | 1046 | stable |
| espressif/ESP8266_RTOS_SDK Espressif's official FreeRTOS-based software development kit for the ESP8266 chip, written in C and following the esp-idf style API. It pro… | 64 | 3563 | maintenance |
| apple/servicetalk ServiceTalk is a JVM networking framework built on Netty that provides reactive, asynchronous HTTP, gRPC, and other protocol clients and se… | 95 | 1037 | active |
| goby-lang/goby Goby is an object-oriented, Ruby-inspired interpreted programming language implemented entirely in Go, compiling to bytecode and running on… | 10 | 3505 | maintenance |
| koide3/small_gicp small_gicp is a header-only C++ library with Python bindings for fast, parallelized point cloud registration algorithms including ICP, Poin… | 60 | 1023 | active |
| AccelerateHS/accelerate Accelerate is an embedded domain-specific language in Haskell for high-performance, multi-dimensional array computations. Programs written … | 62 | 1018 | active |
| paradigmxyz/artemis Artemis is a Rust framework for writing MEV (maximal extractable value) bots, architected as an event processing pipeline with three compon… | 30 | 2959 | maintenance |
| facebook/wdt Warp speed Data Transfer (WDT) is an embeddable C++ library and command line tool for transferring files between two systems as fast as pos… | 63 | 2956 | maintenance |
| cunarist/rinf Rinf is a framework that combines Rust for native business logic with Flutter for the GUI, communicating via native FFI with type-safe gene… | 96 | 2777 | maintenance |
| mars-project/mars Mars is a tensor-based unified framework for large-scale data computation that provides NumPy-, pandas-, and scikit-learn-compatible APIs w… | 23 | 2742 | maintenance |
| mit-pdos/biscuit Biscuit is a research operating system kernel written in Go for x86-64 CPUs, implementing a monolithic POSIX-subset kernel with garbage col… | 32 | 2575 | maintenance |
| QNJR-GROUP/EasyTransaction EasyTransaction is a Java/Spring framework providing a unified solution for distributed transactions across microservices and SOA systems. … | 23 | 2350 | maintenance |
| microsoft/GraphEngine Microsoft Graph Engine is a distributed in-memory data processing engine built on a strongly-typed in-memory key-value store and a general-… | 32 | 2263 | maintenance |
| skiplang/skip Skip is a statically typed, ahead-of-time compiled general-purpose programming language that tracks side effects to enable safe memoization… | 32 | 2020 | maintenance |
| GlowstoneMC/Glowstone Glowstone is a fully open-source Minecraft: Java Edition server written from scratch in Java, with no Mojang code, implementing the Bukkit/… | 60 | 2004 | maintenance |
| 9fans/plan9port Plan 9 from User Space (plan9port) is a port of many Plan 9 libraries and programs from their native Plan 9 environment to Unix-like operat… | 77 | 1941 | maintenance |
| Xyntax/POC-T POC-T is a Python 2.7 plugin-based concurrent framework for penetration testing tasks such as crawling, bruteforcing, and batch PoC/EXP ver… | 23 | 1936 | maintenance |
| quantmind/pulsar Pulsar is an event-driven concurrent framework for Python built on asyncio, providing tools for building scalable network applications such… | 10 | 1845 | maintenance |
| xianhu/PSpider PSpider is a simple, easy-to-read web spider framework written in Python 3.8+. It uses a Fetcher/Parser/Saver pipeline with queues for mult… | 32 | 1835 | maintenance |
| tangxuehua/enode ENode is a C# application framework for building DDD, CQRS, event sourcing, and event-driven architecture style applications on .NET. It en… | 32 | 1805 | maintenance |
| louislivi/SMProxy SMProxy is a lightweight MySQL database connection pool and proxy middleware built on the MySQL protocol and the Swoole coroutine engine. I… | 23 | 1760 | maintenance |
| squeaky-pl/japronto Japronto is a screaming-fast asynchronous HTTP toolkit with an integrated pipelining HTTP server for Python 3.5+, implemented in hand-tuned… | 32 | 8530 | experimental |
| pinguo/php-msf php-msf is a coroutine-based PHP microservice framework built on Swoole, developed by the Camera360 server team. It provides a lightweight … | 23 | 1726 | maintenance |
| Maratyszcza/NNPACK NNPACK is a C99 acceleration package providing high-performance SIMD and multi-core CPU implementations of neural network layers, especiall… | 32 | 1710 | maintenance |
| SOFAArk Jarslink 2.0 is an Ark Plugin built on SOFAArk that manages multi-application (multi-Biz) merged deployment on a single JVM, supporting dyn… | 97 | 1638 | maintenance |
| hybridgroup/artoo Artoo is a Ruby micro-framework for robotics, drones, and IoT physical computing, providing a DSL for connecting to hardware like Arduino, … | 23 | 1544 | maintenance |
| a2888409/face2face face2face is an asynchronous, non-blocking real-time instant messaging (IM) server built on Netty and Java NIO. It splits the system into t… | 32 | 1537 | maintenance |
| kakserpom/phpdaemon phpDaemon is an asynchronous server-side framework for building high-load network applications in PHP, built on libevent. It bundles server… | 23 | 1515 | maintenance |
| ReactiveX/RxNetty RxNetty is a Reactive Extensions (Rx) adaptor for Netty, providing reactive APIs for building HTTP and TCP clients and servers on the JVM. … | 23 | 1373 | maintenance |
| SwooleDistributed/SwooleDistributed SwooleDistributed (SD) is a full-stack distributed application server framework built on the PHP Swoole extension. It combines mixed-protoc… | 23 | 1371 | maintenance |
| citahub/cita CITA is a high-performance, open-source blockchain kernel written in Rust, designed for enterprise consortium chains. It uses a microservic… | 23 | 1301 | maintenance |
| red/red Red is a next-generation programming language inspired by Rebol, shipping as a single ~1MB zero-install executable containing a full toolch… | 67 | 6032 | experimental |
| tang-jie/NettyRPC NettyRPC is a high-performance Java RPC framework built on the Netty networking library, supporting multiple serialization codecs including… | 32 | 1285 | maintenance |
| ShannonAI/service-streamer Service Streamer is a Python middleware that queues discrete web service requests into mini-batches for deep learning model inference, impr… | 32 | 1241 | maintenance |
| easyandroidgroup/EasyAndroid EasyAndroid is a lightweight Kotlin library that bundles many small, independent utility components for Android development, such as runtim… | 23 | 1182 | maintenance |
| rlmcpherson/s3gof3r s3gof3r is a Go library providing fast, parallelized, streaming access to Amazon S3, optimized for large object transfers. It also ships go… | 23 | 1143 | maintenance |
| limingfan2016/game_service_system A C++ game server framework built from scratch, comprising a base library (logging, threading, memory pools, lock-free queues), a networkin… | 32 | 1112 | maintenance |
| UCodeUStory/S-MVP An optimized Android MVP framework written in Java that simplifies Presenter/View boilerplate using annotations, generics, and APT code gen… | 23 | 1080 | maintenance |
| google/quiver-dart Quiver is a set of utility libraries for Dart that complements the standard library with helpers for async streams, caching, collections, i… | 57 | 1065 | maintenance |
| matz/streem Streem is a prototype of a stream-based concurrent scripting language created by Yukihiro Matsumoto, influenced by the shell pipeline model… | 32 | 4598 | experimental |
| cryptonomex/graphene Graphene is a C++ toolkit for building high-performance blockchain networks using delegated proof-of-stake consensus, originally developed … | 23 | 1031 | maintenance |
| cxxnet ps-lite is a lightweight, efficient C++ implementation of the parameter server framework for distributed machine learning. It exposes simpl… | 10 | 1024 | maintenance |
| wqaetly/NKGMobaBasedOnET A MOBA game project inspired by League of Legends, built on the ET framework in Unity and C#. It provides a complete state frame synchroniz… | 32 | 1004 | maintenance |
| valence-rs/valence Valence is a Rust framework for building custom Minecraft: Java Edition servers from scratch, built on Bevy ECS. It acts as a game engine f… | 62 | 3269 | experimental |
| russellromney/honker A SQLite loadable extension plus multi-language bindings that add Postgres-style NOTIFY/LISTEN semantics, durable task queues, event stream… | 81 | 3015 | experimental |
| NebulaiNetwork/OpenCompute Nebulai OpenCompute is a decentralized physical infrastructure (DePIN) computing network that lets workers contribute idle compute power di… | 57 | 2364 | experimental |
| rajasekarv/vega Vega (formerly native_spark) is a from-scratch reimplementation of Apache Spark's distributed data processing engine written in Rust. It ai… | 32 | 2229 | experimental |
| aurae-runtime/aurae Aurae is a memory-safe distributed systems runtime daemon written in Rust that acts as a process manager and PID-1 initialization system fo… | 67 | 1908 | experimental |
| orbitinghail/graft Graft is an open-source transactional storage engine written in Rust that turns object storage into a transactional system with lazy, parti… | 75 | 1532 | experimental |
| alshdavid-public/BorrowScript BorrowScript is an experimental programming language that combines TypeScript-like syntax with a Rust-style borrow checker, compiled to sma… | 32 | 1456 | experimental |