Interleave is a Web-enabled business process automation application. It enables you to model your business process like purchasing, project management, and contract management and make it available online. It's meant to replace processes which currently rely on paper, email, or spreadsheets and it has a very good workflow engine. You can create invoices, export to RTF and PDF based on templates, export to MS Excel, interpret incoming email, and publish your data to the Web.
Gollem is a Web-based file manager that provides the ability to fully manage a hierarchical file system stored in a variety of backends such as a SQL database, as part of a real filesystem, or on FTP, Samba or SSH servers. It supports uploading and downloading of files, basic file operations, permissions support, and MIME recognition and viewing of files through the Horde MIME library. It is fully internationalized and translatable.
WackoWiki is a small, lightweight, handy, expandable Wiki clone. Its main advantages are a visual (WYSIWYG) editor, an easy installer, full Russian support, many localizations, email notification on changes/comments, several cache levels, design themes (skins) support, XHTML compliance, page rights (ACLs), and page comments.
XWiki is a WikiWiki clone written in Java that supports many popular features of other Wikis like the Wiki syntax, version control, attachments, security, and searching, but also many advanced features like templates, database and dynamic development using scripting languages (Velocity, Groovy, Ruby, Python, PHP, and more), an extension system and skinability, J2EE scalability, an XML/RPC remote API, statistics, RSS feeds, PDF exporting, WYSIWYG editing, an Office viewer and importer, and a lot more.
Contineo is a Web-based document management system. It assists its users by managing documents in most popular formats. Contineo aims to fulfill all phases of the document lifecycle. You can create and develop documents by using office software. With contineo itself, you can publish, search, and manage the versions of documents. Furthermore, you can communicate with other users directly or via email.
jLibrary is a DMS (Document Management System), oriented for personal and enterprise use. With jLibrary, you can classify your documents, videos, or any other media type. You can export those contents to static Web pages based on templates, search on those contents, add comments, categorize it, and more. jLibrary has all the features present in most modern content management systems, including team work support, version management, offline document edition, document locking, security constraints based on roles, users and groups, and easy Web access.