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.
clockodo - Clockodo is a time tracking software for small and medium-sized companies.
Deputy - Deputy is a software for employee scheduling, time and attendance and communication management.
Papershift - Widely used and loved by shift planners & HR Teams of small & medium businesses.
QuickBooks Time - Easily track time for effortless payroll, invoicing, and job costing—without the paperwork, guesswork, or hard work.
Sawayo.de - The business owner tool which saves hundreds of hours spend on non-value-adding tasks like employee time tracking, compliance research and workflow implementation (available in German).