JBoss
JBoss is Red Hats Java EE 5-compliant (soon Java EE 6-compliant) application server.
19 Alternatives To JBoss
Ampler
Smart, light and fast e-bike that looks like a regular bike
Apache Tomcat
An open source software implementation of the Java Servlet and JavaServer Pages technologies
Cowboy
Small, fast, modular HTTP server written in Erlang.
Eclipse Jetty
Jetty is a highly scalable modular servlet engine and http server that natively supports many modern protocols like SPDY and WebSockets.
JOnAS
JOnAS is a leading edge Java EE 5 certified Open Source OSGi Enterprise Server by OW2.
LiteSpeed Web Server
LiteSpeed Web Server (LSWS) is a high-performance Apache drop-in replacement.
NGINX Unit
A dynamic web and application server with Go, PHP, Python, Perl, and Ruby support.
OpenResty
Turning Nginx into a Full-fledged Web App Server
Oracle WebLogic Suite
Oracle WebLogic Suite is an application server for building and deploying enterprise Java EE applications.
Payara Server
Payara Server is fully supported, developer-friendly, open source application server. Innovative, cloud-native, optimized for production deployments.
Phusion Passenger
Phusion Passenger is a multi-language (Ruby, Python, Node) web & app server which can integrate into Apache and Nginx
PostgreSQL
PostgreSQL is a powerful, open source object-relational database system.
Pusher
Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.
Spring
The Spring Framework provides a comprehensive programming and configuration model for modern Java-based enterprise applications
Unicorn
Unicorn is an HTTP server for Rack applications designed to only serve fast clients on low-latency, high-bandwidth connections.
WebSphere Application Server
Learn how you can use application servers from IBM to quickly create, connect and optimize applications on premises and on the cloud.
simperium
Move data everywhere it’s needed, instantly and automatically