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.
Redmine is a flexible project management and issue tracking Web application. It supports multiple projects, flexible role based access control, Gantt charts and calendars, news, document, and file management, feeds and email notifications, per-project wikis and forums, time tracking, custom fields for issues, time entries, projects, and users, SCM integration (SVN, CVS, Git, Mercurial, Bazaar, and Darcs), issue creation via email, multiple LDAP authentication support, user self-registration support, multi-language support, and multiple database support.
Microweber is a drag-and-drop Web content management system that makes it possible to create Web sites without any programming. You can edit text directly on the site and see the results in real-time rather than having to constantly reload the page. You can also reorder site elements and extend them using custom modules such as galleries and contact forms. Every aspect of your page’s elements can be changed, including their skin.