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.

WeKAb - Connecting Knowledge

RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.

Edoome - Edoome offers an online community enabling teachers and students to communicate and collaborate.

Hubstaff - Simple yet powerful employee work tracker with screenshots, timesheets, billing, in-depth reports, and more. Understand productivity issues and act on them.

Personio - All-in-one HRM & applicant tracking solution made in Germany