ActivityWatch / activitywatch

The best free and open-source automated time tracker. Cross-platform, extensible, privacy-focused.

DRYTRIX / TimeTracker

Self-hosted time tracking & invoicing for freelancers and teams: timers, projects, PDF and Peppol e-invoicing. Open-source Toggl/Clockify alternative.

solidtime-io / solidtime

Modern open-source time-tracking app

kimai / kimai

Kimai is the #1 open-source time-tracking application. From freelancers to companies and organisations - everyone can manage timesheets, generate reports, create invoices and so much more... Web-based multi-user application, available as On-Premise or SaaS version: https://www.kimai.org

wm94i / Work-Review

Automatically tracks which apps you used, which websites you visited, and how much time you spent in each app throughout the day.

almarklein / timetagger

Tag your time, get the insight

GothenburgBitFactory / timewarrior

Timewarrior - Commandline Time Tracking and Reporting

traggo / server

self-hosted tag-based time tracking

Razeeman / Android-SimpleTimeTracker

Simple app that tracks time.