DDesk is a ticket, task and issue management application. Profiled for desk-side support companies. Includes client UI, partner and internal UI. (Not in active development since 2006) Released under Apache License 2.0, user, reuse as you will.
AvieOnline Framework solution for Small-Medium Enterprises in the any business application. With implementations for Real Estate, Data Collaboration, Forums, CRM Help Desk, Accounting Softwares (Payroll, Time Tracker, others). This uses (Java 2 Enterpris