Worksnaps is a time-tracking system which enable verification of time and work.
:hourglass_flowing_sand: productivity app for Android - goodtime-productivity/Goodtime
SwissTasks shows due items such as notes, emails, calendar events and things to log in one list. It also supports you to achieve your goals by means of a weekly score.
Screenshot Monitor is a tiny desktop app started and stopped by an employee to track the time and take his computer screenshots during work.
TimeLog Project is a user friendly and web based system, where time tracking is the outset for CRM, project and staff management, and invoicing.