meinheld - meinheld is a high performance asynchronous WSGI Web Server (based on picoev)

•    C

---

meinheld is a high performance asynchronous WSGI Web Server (based on picoev)

Gunicorn - Python WSGI HTTP Server for UNIX

•    Python

---

Gunicorn 'Green Unicorn' is a Python WSGI HTTP Server for UNIX. It's a pre-fork worker model ported from Ruby's Unicorn project. The Gunicorn server is broadly compatible with various web frameworks, simply implemented, light on server resources, and fairly speedy.

http-server http python wsgi-server wsgi

waitress - WSGI server

•    Python

---

Waitress is meant to be a production-quality pure-Python WSGI server with very acceptable performance. It has no dependencies except ones which live in the Python standard library. It runs on CPython on Unix and Windows under Python 2.7+ and Python 3.3+. It is also known to run on PyPy 1.6.0+ on UNIX. It supports HTTP/1.0 and HTTP/1.1. For more information, see the "docs" directory of the Waitress package or http://docs.pylonsproject.org/projects/waitress/en/latest/ .

wsgi-server http-server

bjoern - Fast And Ultra-Lightweight HTTP/1.1 WSGI Server

•    C

---

A screamingly fast, ultra-lightweight WSGI server for CPython, written in C using Marc Lehmann's high performance libev event loop and Ryan Dahl's http-parser. It is single threaded and it has less memory foot print.

webserver web-server python-web-server asynchronous asynch events

Serve the web – HTTP server framework

•    Rust

---

Tide is a friendly HTTP server built for casual Rustaceans and veterans alike. It's completely modular, and built directly for async/await. Whether it's a quick webhook, or an L7 load balancer, Tide will make it work. Each Tide endpoint takes a Request and returns a Response. Because async functions allow us to wait without blocking, this makes Tide feel similar to synchronous servers. Except it's incredibly efficient.

web-server web-framework http-server async asynchronous

socket - Async, streaming plaintext TCP/IP and secure TLS socket server and client connections for ReactPHP

•    PHP

---

Async, streaming plaintext TCP/IP and secure TLS socket server and client connections for ReactPHP. The socket library provides re-usable interfaces for a socket-layer server and client based on the EventLoop and Stream components. Its server component allows you to build networking servers that accept incoming connections from networking clients (such as an HTTP server). Its client component allows you to build networking clients that establish outgoing connections to networking servers (such as an HTTP or database client). This library provides async, streaming means for all of this, so you can handle multiple concurrent connections without blocking.

evpp - A modern C++ network library for developing high performance network services in TCP/UDP/HTTP protocols

•    C++

---

evpp is a modern C++ network library for developing high performance network services in TCP/UDP/HTTP protocols. evpp provides a TCP Server to support multi-threaded nonblocking event-drive server and also a HTTP, UDP Server to support http and udp prococol.NOTE: master is our development branch and may not be stable at all times.

network-library libevent high-performance nonblocking tcp-server http-server udp-server async-functions evpp evnsq evmc cpp11

http-server - A non-blocking HTTP application server for PHP based on Amp.

•    PHP

---

This package provides a non-blocking HTTP/1.1 and HTTP/2 application server written in PHP based on Amp. Several features are provided in separate packages, such as the WebSocket component. The packages was previously named amphp/aerys, but has been renamed to be easier to remember, as many people were having issues with the old name.

application-server http async http-server amphp

Zappa - Serverless Python Web Services

•    Python

---

With a traditional HTTP server, the server is online 24/7, processing requests one by one as they come in. If the queue of incoming requests grows too large, some requests will time out. With Zappa, each request is given its own virtual HTTP "server" by Amazon API Gateway. AWS handles the horizontal scaling automatically, so no requests ever time out. Each request then calls your application from a memory cache in AWS Lambda and returns the response via Python's WSGI interface. After your app returns, the "server" dies.

zappa api-gateway aws-lambda serverless serverless-framework flask django pyramid bottle lambda

Embassy - Super lightweight async HTTP server library in pure Swift runs in iOS / MacOS / Linux

•    Swift

---

Super lightweight async HTTP server in pure Swift. Please read: Embedded web server for iOS UI testing.

webserver asynchronous ios lightweight

aiohttp - Async http client/server framework (asyncio)

•    Python

---

For this release we completely refactored low-level implementation of http handling. Finally uvloop gives performance improvement. Overall performance improvement should be around 70-90% compared to 1.x version.We took opportunity to refactor long standing api design problems across whole package. Client exceptions handling has been cleaned up and now much more straight forward. Client payload management simplified and allows to extend with any custom type. Client connection pool implementation has been redesigned as well, now there is no need for actively releasing response objects, aiohttp handles connection release automatically.

aiohttp asyncio http http-server http-client async

strata - A modular, streaming HTTP server for node.js

•    Javascript

---

A modular, streaming HTTP server

web http server framework middleware rack jsgi wsgi

aerys - A non-blocking HTTP application, WebSocket and file server.

•    PHP

---

Aerys is a non-blocking HTTP/1.1 and HTTP/2 application, WebSocket and static file server written in PHP based on the amp concurrency framework.Simply execute the aerys binary (with PHP 7) to start a server listening on http://localhost/ using the default configuration file (packaged with the repository).

aerys websockets application-server http async

Redisson - Redis based In-Memory Data Grid for Java

•    Java

---

Redisson - distributed Java objects and services (Set, Multimap, SortedSet, Map, List, Queue, BlockingQueue, Deque, BlockingDeque, Semaphore, Lock, AtomicLong, Map Reduce, Publish / Subscribe, Bloom filter, Spring Cache, Executor service, Tomcat Session Manager, Scheduler service, JCache API) on top of Redis server. Rich Redis client.

cache distributed-caching distributed-locks redis-client redis-cluster collections java-collections hashmap set queue

Monkey HTTP Daemon - Web Server for Linux

•    C

---

Monkey HTTP Daemon, is a very Small, Fast and Lightweight open source Web Server for GNU/Linux. It has been designed to be very scalable with low memory and CPU consumption, the perfect solution for embedded and high production environments. It is asynchronous and event driven. It supports virtual hosts, SSL, Logs etc.

server webserver epoll async

beast - HTTP and WebSocket built on Boost.Asio in C++11

•    C++

---

Beast is a C++ header-only library serving as a foundation for writing interoperable networking libraries by providing low-level HTTP/1, WebSocket, and networking protocol vocabulary types and algorithms using the consistent asynchronous model of Boost.Asio. Symmetry: Algorithms are role-agnostic; build clients, servers, or both.

boost c-plus-plus-11 websocket websocket-client websocket-server http http-client http-server asio networking async-programming cplusplus server osx tls ssl websockets boost-libraries

xitrum - Async and clustered Scala web framework and HTTP(S) server

•    Javascript

---

Async and clustered Scala web framework and HTTP(S) server

xitrum - Async and clustered Scala web framework and HTTP(S) server

•    Scala

---

Please see Xitrum home page for more details. Xitrum is an async and clustered Scala web framework on top of Netty, Akka, and Hazelcast. It also has a fast built-in HTTP(S) server.

emacs-clang-complete-async - An emacs plugin to complete C and C++ code using libclang

•    Emacs

---

emacs-clang-complete-async is an emacs extension to complete C and C++ code, it uses libclang to parse the source code on the fly and provides completion candidates to auto-complete (http://cx4a.org/software/auto-complete). This extension is not implemented in pure elisp, it is made up of a client part (auto-complete-clang-async.el, written in elisp) and a server part (clang-complete binary, written in C), they work cooperately in asynchonous client-server fashion.

RestBed - Asynchronous RESTful functionality to C++11 applications

•    C++

---

Restbed is a comprehensive and consistent programming model for building applications that require seamless and secure communication over HTTP, with the ability to model a range of business processes, designed to target mobile, tablet, desktop and embedded production environments. More in-depth examples can be found here.

rest-framework restful-webservices restful-api cpp async-programming asynchronous http http-server http2 websocket websocket-api websocket-library server-sent-events ssl-support tls-support comet push