Timesheet module for dolibarr
Kimai is a web-based multi-user time-tracking application
TimeTrex is a complete web-based payroll and time management suite.
A WebBased Collaboration OpenSource Tool
The Open-source Project Management Tool.
Server based version of Timesheet
PHP & MySQL/SQLite -based Project Management System
TimeSheet is a simple software for management activities
Web Application used to manage clients, create invoices, timesheets
Keep track of all your job costs, make sure you don't lose money