Open Source PHP Time Tracking Software

Complete, Collaborative, Quality based Open Source Project Organizer. ProjeQtOr (formely Project'Or RIA) is a collaborative project management software. It's a tool designed to be a Project Organizer as a Rich Internet Application. Web based, it is very easy to use and targets to include every feature needed to the management of your projects. Listed as one of the underdogs project management softwares, the frequent updates, the very active support and the growing community refers to it as a tool that is worth a try.

Collabtive is web based collaboration software. It is an Open Source alternative for proprietary tools like Active Collab or Basecamp. Features include: Projects, Instant Messenger, Tasks, Files, Timetracking, Multilanguage, Basecamp import

PHP web-based project management framework that includes modules for companies, projects, tasks (with Gantt charts), forums, files, calendar, contacts, tickets/helpdesk, multi-language support, user/module permissions and themes

netOffice Dwins is now webTareas. http://sourceforge.net/projects/webtareas

Taskvibe - Online project management with team collaboration, user management, multiple access levels, tasks, projects, and time tracking, task change history, files approval tracking, notes, client project sites, CRM, Gantt graphs...

AssetsSoSimple is a web based asset and purchasing management system, to track assets (barcode), parts, employees, ip addresses, requests for quotes and purchase orders (PDF enabled preview), timesheets (based on import from other DB or on manual ent

The DAViCal CalDAV & CardDAV Server is a repository for calendar, todo, journal and vcard entries to be accessed via CalDAV clients such as Evolution, Lightning, Apple iCal or the iPhone. You need to download both DAViCal & the AWL library.

Features: web2.0 project- & task-management, timetracking, team organizing, resource management, calendar, interface for your clients and lots more! Content: see license.txt (file section).