Awesome GitHub RepositoriesAsynchronous Socket Libraries

CocoaAsyncSocket is a networking library for macOS and iOS that provides core components for managing asynchronous TCP and UDP streams. It implements non-blocking network communication to maintain application responsiveness during data transfers, featuring a delegate-based system for managing connection streams and packet handling. The library includes a secure communication layer that wraps TCP sockets to apply encryption standards, protecting client and server traffic from unauthorized interception. Its capabilities cover non-blocking connection management for both stream-based TCP and pac

Workerman is an event-driven asynchronous socket framework for PHP. It provides the core components necessary to build high-concurrency network servers, including an asynchronous TCP framework, a coroutine library for task management, and dedicated implementations for HTTP and WebSocket servers. The project enables the development of specialized network services using custom frame-based communication protocols. It supports both inbound concurrent server implementation and asynchronous outbound connectivity to remote services. The framework covers a broad range of network programming capabili

gnet 是一个高性能的 Go 事件驱动网络框架，专为构建可扩展的 TCP、UDP 和 Unix Socket 服务器而设计。它充当非阻塞 Socket 管理器和多 Reactor 网络引擎，能够以极低的内存开销处理数千个并发连接。 该框架的独特之处在于采用了多 Reactor 架构，将 I/O 分布在绑定到操作系统线程的多个事件循环上，从而最大限度地减少上下文切换。它利用边缘触发（edge-triggered）轮询来降低系统调用频率，并使用弹性环形缓冲区（elastic ring-buffers）来最小化内存分配成本和垃圾回收压力。 该库涵盖了广泛的网络功能，包括跨 CPU 核心的负载均衡连接分配、通过工作池（worker pools）执行异步任务，以及用于连接生命周期管理的结构化系统。它还提供了用于实现自定义二进制协议和管理底层 Socket 选项的原语。

ReactPHP is an asynchronous runtime and event-driven I/O framework for PHP. It provides an environment for executing concurrent tasks through a central event loop implementation and reactor pattern, allowing applications to handle multiple operations without pausing the main execution thread. The project includes a specialized asynchronous socket library for TCP, UDP, and TLS communication, alongside a non-blocking HTTP server and client for streaming web requests and responses. Its capability surface covers asynchronous control flow via promises and fibers, non-blocking network connectivity

Swift NIO is a low-level, event-driven network framework for the Swift language. It serves as an asynchronous network protocol stack and I/O library designed to build high-performance network servers and clients that handle thousands of simultaneous connections. The framework functions as a high-concurrency network engine that dispatches events across multiple CPU cores. It enables the implementation of custom network protocols by processing raw bytes through a sequence of reusable data transformation handlers. The system provides capabilities for non-blocking I/O multiplexing, asynchronous

AndroidAsync is a non-blocking networking library for Android that provides asynchronous sockets, HTTP clients, and servers based on Java NIO. It serves as a toolkit for managing raw TCP socket connections and bidirectional data streams using an asynchronous input and output architecture. The library includes a dedicated WebSocket framework for establishing persistent full-duplex communication channels between Android clients and servers. It also enables the hosting of a lightweight asynchronous HTTP server directly on an Android device to handle incoming network traffic. Its broader capabil

Smallchat is a minimal implementation of a concurrent network server and TCP-based chat system designed as a demonstration of C socket programming. It provides a basic server and client architecture that enables real-time text communication between multiple connected users. The project focuses on the implementation of a networked chat server that handles simultaneous client sessions. It utilizes a centralized broadcasting model to route incoming text from one client to all other active participants. The system manages concurrent client connections and session tracking using socket descriptor

MQTTnet is a comprehensive MQTT library for .NET that supports both client and broker roles in a single codebase. It provides a full-featured broker implementation capable of hosting a server with access control, message interception, session persistence, and support for mixed MQTT protocol versions. The client side offers robust publish-subscribe communication with automatic reconnection that preserves quality-of-service guarantees, ensuring reliable message delivery across network interruptions. The library distinguishes itself with a plugin-based authentication pipeline for validating clie

Netpoll 是一个事件驱动的网络框架和非阻塞 I/O 库，旨在管理并发 TCP 和 Unix 域套接字连接。它利用非阻塞事件循环来监控文件描述符并触发读写事件的回调，作为高性能套接字管理器和 TCP 网络轮询器运行。 该框架通过在多个轮询器之间分配传入的网络连接来优化跨 CPU 核心的吞吐量。它实现了零拷贝网络原语，使用链式缓冲区和专用内存管理来读写数据，同时最大限度地减少内存分配和数据重复。 该库提供了一套全面的连接生命周期管理功能，包括出站拨号、Keepalive 配置和基于截止时间的超时控制。它通过连接对象缓存、向量化 I/O 操作和负载均衡策略进一步优化性能，以在事件循环之间分配流量。 该项目包括用于管理服务器部署的实用程序，例如通过分离监听器并等待活动连接完成来实现优雅关闭的机制。

Janet is a Lisp-based dynamic programming language featuring a register-based bytecode virtual machine and an embeddable scripting engine. It functions as a fiber-based concurrency runtime and includes a parsing engine based on Parsing Expression Grammars. The project is distinguished by its ability to be integrated into C or C++ applications via a minimal header interface. It utilizes a Lisp-style macro system for compile-time code transformation and employs prototype-based table inheritance for object-oriented behavior. The runtime covers a broad set of capabilities, including asynchronous

Curio 是一个用于结构化并发和异步网络编程的 Python 库。它作为一个框架，利用非阻塞 Socket 和高吞吐量 I/O 来处理数千个并发 TCP 连接。 该库将异步操作组织成父子协程的层级结构，以确保依赖任务的可靠终止和清理。它提供了一套通过任务组和超时来协调这些并发操作的工具包。 该框架涵盖了广泛的并发管理功能，包括通过队列进行任务间通信，以及使用锁和信号量进行共享资源同步。它还支持执行外部进程，并将阻塞工作卸载到单独的线程，以保持事件循环的响应能力。

该项目是 Rust 编程语言的原生 PostgreSQL 数据库驱动程序。它作为一个类型安全的数据库映射器和连接器，提供同步和异步接口，用于针对 PostgreSQL 后端执行查询。 该库实现了一个类型安全映射系统，将 PostgreSQL 数据类型转换为 Rust 类型，确保数据传输过程中的一致性。它还充当加密数据库连接器，支持安全通信协议，以保护应用程序和数据库之间传输的数据。 该驱动程序涵盖了核心数据库功能，包括执行数据操作和管理安全数据库连接。

cppcoro is a C++ coroutine library and concurrency toolkit providing primitives for asynchronous tasks, lazy generators, and non-blocking execution. It functions as an asynchronous I/O framework for managing network sockets and file operations through an event loop. The library features a work-stealing thread pool for distributing tasks across multiple cores and a set of async generators for producing lazy sequences of values both synchronously and asynchronously. It includes a concurrency toolkit with async mutexes, latches, and shared tasks to coordinate multi-threaded execution. Its capab

Undertow is a Java HTTP web server and non-blocking I/O server implementation. It functions as a Jakarta Servlet container and a WebSocket server, providing the infrastructure to execute standardized servlet components and maintain persistent full-duplex communication channels for real-time data exchange. The project is characterized by an asynchronous architecture that utilizes a non-blocking I/O model to handle large numbers of concurrent connections. It incorporates buffer-pooling mechanisms and zero-copy data transfers to reduce memory allocation and garbage collection pressure. The syst

This library provides a framework for building event-driven, non-blocking network applications in PHP. It enables the development of asynchronous TCP and TLS servers and clients that manage multiple concurrent connections without stalling the main execution thread. By utilizing an event-loop architecture, the library handles network operations and data exchange through asynchronous streams, ensuring that the application remains responsive during high-throughput tasks. The project distinguishes itself through its integration with operating system primitives, such as raw file descriptors and Un