ActivityWatch
Time TrackingAutomatic, privacy-first time tracking for your devices
Replaces RescueTime, ManicTime
Best Offline-First Time Tracking for self-hosting
The 8 best Offline-First time tracking you can self-host, ranked by community traction.
Watson
Time TrackingCommand-line time tracker with projects, tags, and reports
Replaces Toggl, Harvest
Timewarrior
Time TrackingCommand-line time tracking with powerful reporting
Replaces Toggl
Hamster
Time TrackingDesktop time tracker for individual productivity
Replaces Toggl, RescueTime
timetrace
Time TrackingSimple command-line time tracker for projects
Replaces Clockify, Toggl
arbtt
Time TrackingAutomatic rule-based time tracker for desktops
Replaces RescueTime, ManicTime
gtimelog
Time TrackingMinimalist time logging desktop application
Replaces Toggl
timew-report
Time TrackingPython library for writing Timewarrior report extensions
No apps match these filters.
At a glance
| App | Deploy effort | Difficulty | Min. RAM | License | ★ Stars |
|---|---|---|---|---|---|
| ActivityWatch | Read-the-docs project | Easy | 128 MB | MPL-2.0 | 19,227 |
| Watson | Read-the-docs project | Easy | 64 MB | MIT | 2,542 |
| Timewarrior | Read-the-docs project | Easy | 64 MB | MIT | 1,668 |
| Hamster | Read-the-docs project | Easy | 128 MB | GPL-3.0 | 1,125 |
| timetrace | Read-the-docs project | Easy | 64 MB | GPL-3.0 | 794 |
| arbtt | Read-the-docs project | Medium | 128 MB | GPL-2.0 | 363 |
| gtimelog | Read-the-docs project | Easy | 64 MB | GPL-2.0 | 273 |
| timew-report | Read-the-docs project | Easy | 128 MB | MIT | 70 |
Quick picks
- Most adopted: ActivityWatch (19,227 GitHub stars).
- Lightest footprint: Watson (from 64 MB RAM, against 128 MB for the heaviest here).
- Licensing: 3 of 8 use MIT; check the rest individually if you plan to modify and redistribute.
Every option here is open-source and self-hostable, tagged Offline-First within the time tracking category. Deploy effort is graded from published container recipes, not vendor claims — see the methodology.