Bike is a Web application framework that can make feature-rich applications using HTML files only. You need no database setup (by default), no scheme definition, and no command-line voodoo. Just put a good old HTML file under skin/, and your new app is already running. Bike is front-ended by Rack, back-ended by Sequel.
Elefant is a full-featured, but refreshingly simple CMS and PHP Web framework. It features an intuitive, streamlined admin interface, a tightly integrated WYSIWYG editor, dynamically embeddable content objects for building dynamic Web sites without touching code, and an extremely fast, secure, and flexible framework for add-ons and themes. The core CMS includes page editing, a blogging engine, site navigation, file and user management, automatic version control, a tool for translators and multilingual site management, and an in-browser theme/layout editor. It is also extensively documented and has a small but friendly and active developer community.
NewsCloud is software you can use to power engaging social media communities. It provides a suite of Facebook-connected interactive features that can help you host a vibrant online community for your neighborhood, topic, community group, nonprofit, membership association, or city. While most content management systems are optimized around publishing, NewsCloud's features offer ways for your audience to participate and lead the site with user generated content. As activity increases, you can integrate advertising and paid content referral systems to capture new revenue streams. NewsCloud is designed to help you move beyond the limitations of Facebook pages.
OpenLaunch is a Web-based content management system that integrates a broad array of services into a single, fully-featured, elegantly designed Web site. The project aims to eliminte the difficulty of integrating multiple systems into a single Web site by implementing a blog, forum, Web pages, wiki, and (coming soon) E-Commerce and support tickets. It is built around the Torpedo Framework, an open MVC framework which includes support for controllers, forms, and a large number of other very useful utilities.
Refinery is a Ruby on Rails content management system for small business sites where the client needs to be able to update their Web site themselves without being bombarded with anything too complicated. It is truly aimed at the end user, making it easy for them to pick up and make changes themselves.
Vunsy is a very easy content management system and a dynamic Web site designer that entirely removes the need for a Web design program. Its purpose is to enable the user to make a site quickly by using widgets and layouts. It allows you to assign permissions to every piece of content. These permissions can control such things as viewing and deleting the content.