List of application servers

This list compares the features and functionality of application servers, grouped by the hosting environment that is offered by that particular application server.

C++

• Tuxedo – Based on the ATMI standard, is one of the original application servers.
• Wt – A web toolkit similar to Qt permitting GUI-application-like web development with built-in Ajax abilities.
• POCO C++ Libraries – A set of open source class libraries including Poco.Net.HTTPServer.html
• CppCMS

Java

• Apache MINA – an abstract event-driven asynchronous API over various transports such as TCP/IP and UDP/IP via Java NIO
• Netty – a non-blocking I/O client-server framework for the development of Java network applications similar in spirit to Node.js

JavaScript

• Broadvision – Server-side JavaScript AS. One of the early entrants in the market during the eCommerce dot-com bubble, they have vertical solution packages catering to the eCommerce industry.
• Bun – implements Apple's JavaScriptCore engine as a standalone (outside the browser) asynchronous Javascript interpreter. An open-source project with its own npm-compatible package manager, and many built APIs, tooling and utilities.
• Node.js – implements Google's V8 engine as a standalone (outside the browser) asynchronous Javascript interpreter. A vigorous open-source developer community on GitHub has implemented many supporting products, notably npm for package management and Connect and Express app server layers.
• Deno – community developed Rust project, spearheaded by Ryan Dahl who also created Node.js, it directly targets TypeScript but also supports JavaScript and WebAssembly via V8; employs asynchronous, event-based I/O model via promise-based APIs and Tokio scheduler, uses an API security model via FlatBuffers and implements package management via ES2015 modules.
• Phusion Passenger

LPC

• Dworkin's Game Driver (DGD)

Lua

• OpenResty
• Tarantool

.NET

Microsoft

Microsoft positions their middle-tier applications and services infrastructure in the Windows Server operating system and the .NET Framework technologies in the role of an application server:

• Internet Information Services web server
• .NET Framework (Windows Communication Foundation, Web Services, .NET Remoting, Microsoft Message Queuing (MSMQ), ASP.NET, ADO.NET)
• Distributed Transactions, COM+
• Active Directory Lightweight Directory Service (ADLDS), Active Directory Federation Services (ADFS), Authorization Manager

Third-party

• Mono – Developed by Xamarin, licensed under MIT

Objective-C

• GNUstepWeb - WebObjects 4.5 compatible, licensed under LGPL

PHP

• Appserver.io, an open-source PHP application server.
• RoadRunner, built by Spiral Scout is high-performance PHP application server, load-balancer and process manager written in Golang.

Python

• uWSGI
• Gunicorn
• CherryPy
• Google App Engine
• mod_python
• mod_wsgi
• Phusion Passenger
• Paste
• Tornado
• Twisted
• Web2py
• Zope – By Zope, Inc.

Ruby

• Mongrel
• Passenger
• Puma
• Unicorn

Smalltalk

• Seaside – A continuations based web application server

Tcl

• AOLserver – Forked from NaviServer after developer was bought by AOL in 1995
• NaviServer – Resumed independent development after AOL dropped AOLserver support.

Container Based

Container based application servers run each application in a container. The application can be written in any programming language.

• - Application server implemented in Go, which builds and runs web applications in a container.

See also

• Content management systems
• Web framework
• Comparison of server-side web frameworks
• Comparison of server-side JavaScript solutions
• Comparison of web server software