Request Tracker, an enterprise-grade issue tracking system
Request Tracker is an open-source, enterprise-grade issue and ticket tracking system. It helps organizations manage workflows, customer requests, and internal project tasks efficiently.
Project management and collaboration over the internet. Features team/client sites, task assignment, document repository/workflow, gantt charts, discussions, calendar, notifications, support requests, weblog newsdesk, invoicing, and many other tools.
...This enables resource utilisation to be determined allowing capacity and hence forward planning.
The heart of the system aims at simplifying the initial request by asking a set of straight forward business questions, in order for those making strategic decisions to have all the relevant information in a single view and to keep the request at the relevant stakeholder level so as not to waste time of other resources that already have pre-agreed / scheduled work.
...
ARIZA is a bug/request tracking tool coded with PHP in an AJAX approach. It works with favorite DBMS such as PostgreSQL and MySQL. It is being distributed under GPL licence. It is free (as in beer) and free (as in speech) and open source.
php todolist is a more advanced approach for simple todo lists. It is an ajax/sql-based multi user todolist, with priority, status and categories. You can use it as a bug track / feature request and task manager system within a group of developers.
OPA (Online Proposal Appraisal) is a full-featured, web-based, multi-lingual proposal management system suitable for the end-to-end administration of any proposal request, submission, appraisal, selection and budgeting process, through to reporting, rep
Web based Help Desk for small teams with low number of request. Possibility to use as task management system for many teams. Multilanguage support. Built on Liberum Help Desk core with redesigned interface and limited functions.