JPEd is an XPDL 1 process editor based on the source code of JaWE community edition with additional features and changes that could be of great interest to both users and developers. It presents users with swinlanes-based activity placement, and supports multiple process (workflows) per package, imports, subflows, a full range of XPDL capabilities, and a customizable user interface. It can be used as a stand-alone product, features a pluggable interface (with plugins provided for various common operations), and can be cutomized to fit your company's name (including logo), as long as you respect GPL licencing terms.
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.