Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
Workday - Workday is an on‑demand financial management and human capital management software solution.
Paymo - Manage projects, track time, create invoices, and get paid online.
Paylocity - Paylocity has revolutionized the industry and has quickly become the leading independent provider of online payroll services and HR solutions.
ManicTime - Track your computer usage and use collected data to accurately tag time.
Paycom - Paycom is a Human Capital Management system that helps companies manage the complete employment life cycle, from recruitment to retirement.