ActivityWatch

Track work time and print out a summary of your activities on demand

Track habits, tasks and notes with time tracking, calendar view and completion statistics

Modern time tracking application for freelancers and agencies

Helps caregivers track baby sleep, feedings, diaper changes, and tummy time

An open source time-tracker based on an interactive timeline and powerful reporting

Traggo is a tag-based time tracking tool. In Traggo there are no tasks, only tagged time spans