Free timetrex software for linux

TimeTrex project is a complete Web-based payroll and time management suite that offers employee scheduling, attendance (time clock), job costing, invoicing/accounts receivable, and payroll in a tightly integrated package.
With the ability to interface with hardware such as iButtons, barcode readers, and cell phones, employees are able to efficiently track their time at the office or on the road.
Main features:
- TimeTrex helps organizations handle their payroll and time management needs in a more efficient and cost effective manner.
- TimeTrex helps organizations concentrate on their core business goals - the ones that generate revenue.
- TimeTrex benefits are well suited to any business, small or large, with one or more locations.
- TimeTrex allows secure and easy access to its web-based interface from anywhere in the world.
Whats New in 2.0.3 Stable Release:
- This release contains several minor bugfixes, including fixes to the installer requirements and to the employee contact information page that caused branch/department settings to reset themselves.
Whats New in 2.1.0 RC1 Development Release:
- This release contains several major new features such as a greatly improved permission system, more advanced premium policies with additional pay formulas, more advanced meal policies, better scheduling, multi-level timesheet verifications and improved reporting. This is the first release with a fully automated installer for both Windows and Linux.