The PHP Smart.Framework (smart framework php) is a free, BSD licensed, open-source web framework that claims to fit small, medium as well as large web projects.
Smart.Framework HostingSiteCake is a drag and drop CMS for simple websites. It lets you publish the content just by dragging it to your web page. It's CMS for static websites, with few pages only, to cover the niche below WordPress level of complexity.
SiteCake HostingWonderCMS is a completely free open source Content Management System, or in other words, a free website builder.
WonderCMS HostingStorytlr offers a single touch point for your online life in your own style. Easily post anything you find interesting, import your web 2.0 stuff and share your life online.
Storytlr HostingUnit testing framework for Javascript
Unit.js HostingAjax Hosting on Linux Servers.
Ajax HostingSaurus is Free, Open Source Software for Building and Managing Websites.
Saurus HostingOpenWGA is Web Content Management computer software running on the Java Enterprise Edition Platform.
OpenWGA HostingGoogle Web Toolkit, or GWT Web Toolkit, is an open source set of tools that allows web developers to create and maintain complex JavaScript front-end applications in Java.
Google Web Toolkit HostingeXo Platform is an open source, standard-based, Enterprise Social Collaboration Platform written in Java.
eXo Platform HostingJava Hosting packages on Linux servers.
Java HostingdotCMS is an open source content management system (CMS) written in Java for managing content and content driven sites and applications.
dotCMS HostingApache Roller is a Java-based Open Source "full-featured, Multi-blog, Multi-user, and group-blog server suitable for blog sites large and small".
Apache Roller HostingSmartClient is set of mobile and cross-browser HTML5 UI components combined with a Java-based Ajax framework, created by Isomorphic Software to build business web applications.
SmartClient HostingAmetys is a free and open source content management system (CMS) written in Java.
Ametys CMS HostingOpenKM is a Free/Libre document management system that provides a web interface for managing arbitrary files.
OpenKM Hosting