PinaCMS is a batch Web site launcher. Use it as a content management system for a Web site chain or build your own SaaS CMS solution. It allows you to easily create, manage, and replicate common components, control each site individually or apply updates to all of them simultaneously, offer your clients a quick and easy way to create and manage their Web sites, and enjoy easy administration and a flexible mechanism for access control.
openPLM is a Web-based Product Lifecycle Management (PLM) application. It provides a configuration management system that manages all kind of files and data as documents in a product structure. It supports documents, parts, BOMs, part-document links, electronic signatures for objects, revision management, check in and check out for all files, plain text search using the Xapian engine, navigation between objects using Graphviz, and user management that allows sponsorship, delegation, and rights. Plug-ins are available for Thunderbird, OpenOffice/LibreOffice, FreeCAD, and Gedit.
Chyrp is a blogging engine designed to be very lightweight while retaining functionality. It has powerful theme and extension engines, so you can personalize it however you want. The code is well-documented, and it has a very strong structure that's loosely based on the MVC design pattern. Chyrp allows importation from several different blogging engines and uses a system called "feathers", which are basically templates for custom posts.
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.
Jease is a Java-based CMS. Jease means "Java with Ease", so Jease promises to keep simple things simple and hard things (j)easy. It is easy to install: all you need is Java, and you are up and running in a minute. It has a user-friendly desktop-like interface with full AJAX support. It is easy to extend: develop your designs or content types with just a few lines of Java and HTML.
Contao is a content management system (CMS) for people who want a professional Internet presence that is easy to maintain. The state-of-the-art structure of the system offers a high security standard and allows you to develop search engine friendly Websites that are also accessible for people with disabilities. Furthermore, the system can be expanded flexibly and inexpensively. It features easy management of user rights, a Live Update Service, a modern CSS framework, and many integrated modules (news, calendar, forms, etc.).
Molinos CMS is a modular CMS. It supports multiple Web sites per installation, multiple domains per Web site, and different subdomains for different Web site sections. It uses XSLT for templating; templates can be organized in themes, which can be applied to either all pages or particular pages. It can use MySQL or SQLite for data stoarge; all data is available in XML format, ready to use by templates and scripts. User groups (roles) and advanced ACL can be used to control access to that data. It supports many caching and code optimization techniques. Data storage is optimized to minimize queries required to display pages. There are modules for integrating with various third-party services (over 70 modules). Modules are simple to write using the provided documentation (currently only available in Russian). Web sites can use local and system modules simultaneously. It works with most Web servers, and has a built-in Web server (for localhost development). It also has a CLI for most tasks.
MojoMojo is a Web2.0 wiki with AJAX live preview, hierarchical structure, tags, diffs, pluggable syntax, permissions/ACL, attachments, RSS feeds, a photo gallery, edit conflict resolution via 3-way merge, themes/skinning, localization, built-in full-text search, and a reverse index. Since it's built on top of the Perl Catalyst Web framework, MojoMojo supports any Web server, and includes its own standalone one. It also support any database backend supported by the DBIx::Class ORM, and has been successfully tested with PostgreSQL, SQLite, and MySQL.