Manhattan is a Web-based course management system. It includes its own private email system, a variety of discussion groups, assignments, surveys, and grades modules, live chat, facilities for delivering multimedia, and more. Designed for asynchronous Web-based distance learning, Manhattan can also be used to add an online dimension to traditional courses. Manhattan is fully documented.
coWiki is a sophisticated but easy-to-use Web collaboration tool that helps you and your coworkers create and organize Web documents, Weblogs, and knowledgebases (or any other document structures) directly in HTML browsers. You can evolve ideas and gain a concomitant XML documentation of your brainstorming without having to concentrate on complicated structural syntaxes. coWiki follows the tradition of loose Wiki Wiki Webs with easy and intuitional markup, adding Unixlike access management, a directory/document hierarchy, and a plugin API for your functionalities and enhancements. It is template-based and multilingual.
Babeldoc is a framework and set of applications to process documents for business-to-business and other Internet/integration applications. It is primarily intended for text documents, especially XML, but supports a wide range of operations and data types. It has a sophisticated journaling system that supports replaying and reprocessing. Babeldoc is pipeline based and supports numerous ways to combine the pipeline stages in a dynamically reconfigurable fashion. It has a GUI and a Web-based console for document processing and monitoring, and comes with tools for the tranformation of flatfile data to XML, archival, and cryptography. Additionally it is able to scan various data sources based on sophisticated constraints.
OPT (Outreach Project Tool) is a PHP general-purpose virtual commonplace for customers and developers to collaborate in developing projects. The system provides documents archive, e-mail archive, request tracker, task management, knowledge base, news administration, newsletter support, and a lot of other features (some project-based, some system-based).