Top pick · highest health
solidtime
Modern time tracking application for freelancers and agencies.
Docker
Time Tracking
Open source alternatives to Harvest
We track 4 open-source Harvest alternatives, of which 2 currently score 70 or above on Repoly's GitHub health scale and 2 ship a Docker image. solidtime leads on health at 96/100 with 150 commits in the last 90 days; across all 4 projects you are choosing between AGPL-3.0, GPL-3.0.
updated Oct 2026 4 alternatives best health 96 ★ 18k combined 274 commits / 90d 2 with Docker
Top picks to replace Harvest
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Healthiest
Health 96/100: 150 commits in 90 days, latest release v0.22.1, Docker image available.
Showing 4 of 4 tools
All 4 Harvest alternatives, ranked by health
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Kimai
Track work time and print out a summary of your activities on demand.
PHP -
Traggo
Traggo is a tag-based time tracking tool. In Traggo there are no tasks, only tagged time spans.
DockerGo -
TimeTagger
An open source time-tracker based on an interactive timeline and powerful reporting.
Python
Harvest alternatives compared
solidtime edges Kimai 96 to 85, and most of the difference is Docker support: a Docker image against no Docker image. solidtime also has the largest following, at 9.1k stars.
The most recent release is Kimai 2.71.0, published 5 days ago. None of the measured options scores under 40. By stack, Go (1), PHP (1) and Python (1) are the most common. solidtime, Kimai, Traggo and 1 more are copyleft.
4 of these 4 also appear among the Toggl alternatives, which lists 1 more.
| Tool | Health | Stars | Licence | Last commit | Docker |
|---|---|---|---|---|---|
| solidtime Steady at 96 since 11 Sep | 96 | 9.1k | AGPL-3.0 | yesterday | Yes |
| Kimai Steady at 85 since 11 Sep | 85 | 5.1k | AGPL-3.0 | yesterday | No |
| Traggo Down 3 points since 11 Sep, no release for 7 months | 57 | 1.6k | GPL-3.0 | 1 month ago | Yes |
| TimeTagger Down 1 point since 11 Sep, no release for 8 months | 45 | 1.8k | GPL-3.0 | 1 month ago | No |
Harvest alternatives: common questions
What is the most maintained open source alternative to Harvest?
solidtime scores highest at 96/100, with 150 commits in the last 90 days, 9.1k stars on GitHub and its latest release (v0.22.1) published 9 days ago. It is also the most active by raw commit count.
Which Harvest alternatives use a permissive licence?
None of the 4 tracked alternatives use a permissive licence; 4 are copyleft (GPL, AGPL or similar), which requires publishing changes to any modified version you distribute.
Which Harvest alternatives run in Docker?
2 of 4 publish a Docker image or Compose file: solidtime, Traggo. Docker support contributes 10 of the 100 available health points, because it is the clearest signal that self-hosting is a supported path rather than an afterthought.
Is solidtime or Kimai the better Harvest alternative?
On measured health solidtime leads, 96 to 85. solidtime has 150 commits in 90 days, 9.1k stars and v0.22.1 from 9 days ago; Kimai has 121 commits in 90 days, 5.1k stars and 2.71.0 from 5 days ago. solidtime is ahead or level on every term Repoly measures.
Are the Harvest alternatives still maintained?
2 of the 4 measured options score 70 or above. Every measured option had commits in the last 90 days. None scores under 40.
What languages are the Harvest alternatives written in?
Go: Traggo. PHP: Kimai. Python: TimeTagger. The stack matters if you plan to extend or patch the tool yourself.
