WackoWiki is a light and easy to install multilingual Wiki-engine.
A software components library
The world's leading open source portal
The best CMS system
The file based CMS with full-featured editing
Open Source Enterprise Wiki and Web Application Platform
A portable, HTML5 file-based CMS
Web based Game server control panel
Brute-forcing WAN/LAN services
Simple Web-based environment for PHP scripting in programming class
A layout and widget editor for Wt (C++ web applications)
Simple viewer app for most Booru Sites, coded in Qt C++
The open content management system for news.
PHP based CMS with multi-site and extension support
General-Purpose PDF Library for Java and .NET
Hippo CMS is a Java based, Open Source Web Content Management platform
Emacs extension for interacting with Atlassian Confluence
One of the world's leading multilingual website platforms
XML bindings and a GUI for creating and editing XBMC Scrapers
Free open source CMS operating on Drag&Drop