Asynchronous Open Source Projects

A runtime for writing reliable asynchronous applications with Rust. Provides I/O, networking, scheduling, timers, ...

Fast C++ logging library.

Cross-platform asynchronous I/O

Reactive Programming in Swift

Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed.

Framework for quickly creating connected applications in Kotlin with minimal effort

C++ Parallel Computing and Asynchronous Networking Framework

Nmap - the Network Mapper. Github mirror of official SVN repository.

An asynchronous event driven PHP socket framework. Supports HTTP, Websocket, SSL and other custom protocols.

A powerful templating engine with inheritance, asynchronous control, and more (jinja2 inspired)

libco is a coroutine library which is widely used in wechat back-end service. It has been running on tens of thousands of machines since 2013.

Screaming-fast Python 3.5+ HTTP toolkit integrated with pipelining HTTP server based on uvloop and picohttpparser.

📌 a missing Java std lib(simple & 0-dependency) for framework/middleware, provide an enhanced InheritableThreadLocal that transmits values between threads even using thread pooling components.

Type-Safe Errors for JS & TypeScript

🏁 High performance subscription-based form state management for React

Reactive Extensions for Unity

Real-time monitor and web admin for Celery distributed task queue

The Reactive Extensions for .NET

Metal I/O library for Rust.

🤖 Real-time type-ahead completion for Zsh. Asynchronous find-as-you-type autocompletion.

Asynchronous WebSocket server

:stars: Dark powered asynchronous completion framework for neovim/Vim8

Zero-cost asynchronous programming in Rust

aiogram is a modern and fully asynchronous framework for Telegram Bot API written in Python using asyncio

Advanced Java Redis client for thread-safe sync, async, and reactive usage. Supports Cluster, Sentinel, Pipelining, and codecs.

SpringBoot2.0+从入门到实战！

Non-Blocking Reactive Foundation for the JVM

:seedling: Web based ssh client

A curated list of awesome Python asyncio frameworks, libraries, software and resources

Reactive Extensions for the Go language.

ReactiveX for Python

Elegant, modern and asynchronous Telegram MTProto API framework in Python for users and bots

Syntactic sugar in Swift for asynchronous dispatches in Grand Central Dispatch

Simple, powerful, cross-platform SQLite client and ORM for .NET

A non-blocking concurrency framework for PHP applications. 🐘

ZIO — A type-safe, composable library for async and concurrent programming in Scala

Houses the Asynchronous Module Definition API

🌊 The ultimate Fish prompt.

Good Curio!

Awaitility is a small Java DSL for synchronizing asynchronous operations

coobjc provides coroutine support for Objective-C and Swift. We added await method、generator and actor model like C#、Javascript and Kotlin. For convenience, we added coroutine categories for some Foundation and UIKit API in cokit framework like NSFileManager, JSON, NSData, UIImage etc. We also add tuple support in coobjc.

Bolts is a collection of low-level libraries designed to make developing mobile apps easier.

LaravelS is an out-of-the-box adapter between Laravel/Lumen and Swoole.

Pure Python RabbitMQ/AMQP 0-9-1 client library

Real-time transport layer for Java AI agents. Build once with @Agent — deliver over WebSocket, SSE, gRPC, and WebTransport/HTTP3. Talk MCP, A2A and AG-UI.

The P programming language.

Glommio is a thread-per-core crate that makes writing highly parallel asynchronous applications in a thread-per-core architecture easier for rustaceans.

A lightweight library that provides tools for organizing asynchronous code

Metarhia educational program index 📖

Ultra-high performance reactive programming

Go-style concurrency in C++11

File support for asyncio

Go to

A high-performance web server for Ruby, supporting HTTP/1, HTTP/2 and TLS.

Open-Source Remote Administration Tool For Windows C# (RAT)

Asynchronous Low Latency C++ Logging Library

An implementation of task/event based asynchronous pattern.

Production-ready C++ Asynchronous Framework with rich functionality

Highly-available Distributed Fault-tolerant Runtime

Asynchronous Javascript templating for the browser and server