AttendanceBot - Time & attendance tracking for distributed teams
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Attendink - A minimalist attendance tracking tool
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
Shiftee - Shiftee streamlines the process of employee scheduling, time clock attendance to payroll by providing a solution to manage and help business
Basecamp - A simple and elegant project management system.