Freehelpdesk is feature-rich help desk system designed from the ground up to meet the demands of help desk staff and their users. It is a Web-based system that can accept new calls from your users directly into the system. Calls can be tracked and searched to enable faster response times.
TWiki is a flexible, powerful, and simple Web based collaboration platform. It is suitable for dynamic intranets and knowledge bases, and for sharing and managing documents and collaborative projects. It resembles a normal Web site, but every page can be changed from a browser. It features automatic link generation, full text search, group authorization, Web forms, reporting, change notification, file attachments, revision control of pages and attachments, a modular templating system with skins, hierarchical navigation based on the topic parenting feature, and more. Plugins can be used to enhance the program and build groupware applications.
RT is an industrial-grade trouble ticketing system. It lets a group of people intelligently and efficiently manage requests submitted by a community of users. RT is used by systems administrators, customer support staffs, NOCs, developers, and even marketing departments to track issues, outages, bugs, requests, and all kinds of other things at thousands of sites around the world.
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.
Kimai is software that tracks work time and classifies it. It tracks time and prints out a summary (time sheet) of your activities on demand. The reports can be yearly, monthly, daily, by customer, by project, or by action. Its interface is based on using a Web browser. You can install it as a Web service or as a single-user program on your local workstation. It is appropriate both for multiple simultaneous users or a single user. Kimai does not have to run to do the recording.
SpectrumSCM is the first platform-independent, truly integrated enterprise-level Source Configuration and Management solution, which includes version control, process management, release management, advanced branching, issue tracking and much more, all integrated into one tool. In addition, it allows users to construct automated workflow engines and interfaces to external systems through the SpectrumSCM API. The tool also incorporates advanced security features through the Java Security Model, SSL, and LDAP. The client software can be run as an application or accessed over the Web as an applet or through Java Web Start. It also includes a full-featured commandline interface, strong IDE integrations, and a SpectrumSCM Proxy for remote users.
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.