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.
TUTOS (The Ultimate Team Organization Software) is a groupware, ERP (Enterprise Resource Planing), CRM (Customer Relationship Management), and PLM (Project Lifecycle Management) suite that helps small to medium teams manage various things in one place. Its features include personal and group calendars, an address book, product and project management, bug tracking, installation management, test management, scrum management, a task list, notes, files, mailboxes, and useful links between all of the above.
Foswiki is wiki software, supporting the editing of Web pages in an ordinary Web browser by end users. What makes Foswiki special is that it supports the embedding of active and passive macros that enhance the page content (e.g. with global or dynamic information) and allow end-users to build applications that store and process data in a structured manner.
Codestriker is a Web application that supports online code reviews. Traditional document reviews are supported, as well as reviewing diffs generated by an SCM (Source Code Management) system and plain unidiff patches. There are integration points with CVS, Subversion, Clearcase, Perforce, Visual SourceSafe, and Bugzilla. There is a plug-in architecture for supporting other SCMs and issue tracking systems. It minimizes paper work, ensures that issues, comments, and decisions are recorded in a database, and provides a comfortable workspace for actually performing code inspections. An optional highly-configurable metrics subsystem allows you to record code inspection metrics as a part of your process.
Sputnik is a content management system (CMS) designed for extensibility. It works as a wiki out of the box, but can be extended into other things. It offers editable nodes, history and diff, user accounts with optional email validation, a flexible permission system, RSS feeds, and more. Sputnik supports access control and has editable templates. It can be used to maintain a personal Web site that doesn't look like a wiki and that only you can edit. Sputnik is easy to install on shared hosting without root accounts.
Streber is a wiki-based project management tool. Freelancers and small teams can easily use it to set up projects and keep track of tasks, milestones, issues, bugs, efforts, etc. Project user rights can be adjusted (e.g., to provide clients a limited view of the current project state).
Trac is an advanced tool for managing software development projects. It provides a simple wiki, an issue tracking system, and tight integration with the Subversion revision control system. However, it's also notorious for being hard to install. With the JumpBox for Trac, it takes about a minute to get trac running. Plus, with the built-in subversion and database backup system and the JumpBox Web-based administration console, it gives you all the basic tools you need to put it into production without ever touching a command line.