Realtime application framework (Node.JS server)
A Socket.IO client library for Java
A 100% native C# implementation of ZeroMQ for .NET
A multi-platform support c++11 library with focus on asio
A client library to multiplex connections from and to iOS devices
A glib-like multi-platform c library
Socket.IO-client for iOS/OS X
Socket-based TS/JavaScript API for WhatsApp Web
simple HTTP client in Erlang
An asynchronous event driven PHP socket framework
Fast and low latency asynchronous socket server & client C++ library
An open source flight dynamics & control software library
nanomsg library
A C++ header-only HTTP/HTTPS server and client library
A modern I/O library for Android, Java, and Kotlin Multiplatform
A powerful server and network library, including coroutine
A Python library for the Docker Engine API
Containerization is a Swift package for running Linux containers
Slack API in Go - community-maintained fork
A go-style coroutine library in C++11 and more
A stable and secure tunnel based on KCP with N:M multiplexing and FEC
A stream multiplexing library for Golang with minimal memory usage
An embedded web server
Simple, fast, reliable websocket server & client
Realtime web comms for Clojure/Script