FlatPress is a blogging engine that saves your posts as simple text files. Forget about SQL! You just need some PHP.
FlatPress HostingPixie is a free, open source web application that will help quickly create your own website.
Pixie CMS HostingMODX helps you take control of your online content. An Open Source PHP application framework, it frees you to build sites exactly how you want and make them 100% yours. Zero restrictions and fast to build. Super-simple templates in regular HTML/CSS/JS (any lib you want). Registered user systems and a killer community. Welcome to web-building nirvana.
MODX 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 HostingWakanda is a JavaScript platform to develop and run web or mobile apps.
Wakanda Framework HostingsNews is a completely free, standards compliant, PHP and MySQL driven Content Management System. sNews is extremely lightweight, simple and customizable. It's easy to install, and easy to use via a simple web interface. sNews consists of only one core engine file, one independent template file and its accompanying CSS stylesheet file, plus an .htaccess file that makes all URLs search engine friendly.
sNews HostingUnit testing framework for Javascript
Unit.js HostingOpenCms is an open source content management system written in Java.
OpenCms HostingdotCMS is an open source content management system (CMS) written in Java for managing content and content driven sites and applications.
dotCMS 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 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 HostingJSP Hosting on Linux Servers.
JSP HostingTomcat Hosting on Linux Servers.
Tomcat HostingHippo CMS is an open-source, dual licensed, Content Management System.
Hippo CMS 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 HostingOpenKM is a Free/Libre document management system that provides a web interface for managing arbitrary files.
OpenKM Hosting