JForum is complete, powerful, database-independent, and multi-threaded forum software. Features include unlimited forums and categories, topic watching, email notification, private messages, user ranking, an advanced permission schema, and moderation options. It provides support for many languages and customizable templates per user.
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.
Ansel is a Horde photo gallery that provides functionality for managing unlimited photo galleries, with thumbnails, paging, EXIF data, and permissions on a per-gallery basis. It also provides a number of features not normally found in Web-based photo galleries, including cropping, resizing, rotating, watermarking, and greyscale effects.
Forwards is a Horde module for setting user e-mail forwards via the .forward mechanism supported by several popular mailers. Forwards provides fairly complete support for setting .forward style forwards on Sendmail, Courier, or Qmail based systems via an FTP transport. It also has drivers for Mdaemon, Exim SQL, Exim LDAP, Custom SQL, and SOAP based systems.
Alexandria is a GNOME application to help manage a book collection. It retrieves book information (including cover pictures) from several online libraries, allows you to search for a book (either by EAN/ISBN, title, authors, or keyword), can import and export data into ONIX, Tellico, and EAN/ISBN-list formats, generates Web pages from your libraries, allows marking your books as loaned, saves data using the YAML format, features an HIG-compliant user interface, shows books in different views that can be filtered or sorted, and handles book rating and notes.
PmWiki is a WikiWikiWeb clone that is primarily designed as a tool to support easy, collaborative authoring and maintenance of Web sites. It does not require a relational database such as MySQL. It has advanced template capabilities, page grouping features, password protection for groups and pages, modular plug-in capabilities, and easy-to-customize wiki markup languages and tools.