Bugzero is a Web-based change management and issue tracking system used in a distributed team environment to track software bugs, hardware defects, test cases, or any other issues. It can also be used equally well as a helpdesk customer support, trouble ticketing, or email management system to collect and manage customer feedbacks, incidents, requests, and issues. It is easy to use, but still flexible and adaptive, and can be configured to fit to your organization's unique business process and workflow.
FUDforum is a templatable forum with i18n support based on PHP and either MySQL, Oracle, PostgreSQL, or SQLite. It features a user/group management system, a multi-lingual spell checker, both flat and thread message views, a private messaging system with multi-user forwarding capabilities, poll file attachments, and much more. It is an extremely fast and scalable forum that can fulfil the needs of both small and large forum operators.
Agora is a Web-based, threaded discussion tool, similar to Usenet newsgroups. Agora remembers each user's preferences, and allows threaded, unread-only browsing. It offers the ability to manage several different groups, with different themes, forums, and administrators for each group. Agora offers a basic Web-based ICQ client, as well as a Web-based notes system.
Categorized Headlines Publisher is a news posting script with add, edit, and delete features that can embed an image (with image upload) in the body of the detailed news. It also supports category icons. You can even upload your own icons, or delete old ones. A "NEW" image icon will be automatically inserted next to the headline if the news is less than 'x' days old (this feature can be turned off). The Pro version supports maximum news, and news category limiters. It can be used with or without SSI.
FG Guestbook is a fast, powerful, and easy to install guestbook. The design is completly adjustable, because the guestbook works with templates, which are include patterns. It has protection against duplicates, email notification if there's a new entry, breaking up of words that are too long, a keyword/pattern for a pagebar, a separate admin area, logging, and the ability to comment and/or delete entries.