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10 top picks · 2 audience rankings

Best open source time tracking tools

The best open source time tracking tool is Frappe HR (GPL-3.0, 8,970 GitHub stars, Docker image). Ever Gauzy stands out for the most commits in the last 12 months (5,783), and solidtime stands out for its PHP codebase.

This page also breaks the picks down by team size and use: Frappe HR leads for startups, small business and freelancers.

Updated · data from GitHub, refreshed daily

Top picks

  1. Rank 1:

    Frappe HR

    frappe/hrms

    Complete HRMS solution with over 13 different modules right from employee management, onboarding, leaves, to payroll, taxation, and more.

    Active · last commit Oct 27, 2026

    HR & Time TrackingPythonDocker

    Stands out for a published Docker image. Frappe HR has 8,970 GitHub stars, uses the GPL-3.0 license, ships a Docker image and had 2,970 commits in the last year; it replaces BambooHR and Workday.

  2. Rank 2:

    Ever Gauzy

    ever-co/ever-gauzy

    Open business management platform for collaborative, on-demand and sharing economies (ERP/CRM/HRM/ATS/PM).

    Active · last commit Oct 28, 2026

    HR & Time TrackingTypeScriptDocker

    Stands out for the most commits in the last 12 months (5,783). Ever Gauzy has 8,635 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 5,783 commits in the last year; it replaces BambooHR and Workday.

  3. Rank 3:

    solidtime

    solidtime-io/solidtime

    Modern time tracking application for freelancers and agencies.

    Active · last commit Oct 27, 2026

    HR & Time TrackingPHPDocker

    Stands out for its PHP codebase. solidtime has 9,053 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 468 commits in the last year.

At a glance

Open source time tracking tools compared

Ranked on GitHub stars, commits in the last year, Docker images, open-source licenses and recent commits across the 18 apps in the HR & time tracking category. Projects with fewer than 12 commits in the last 12 months rank below every more active project.

Top 10 picks compared, data as of Oct 28, 2026
AppStands out forLicenseGitHub starsCommits (12 mo)Last commitDocker image
Frappe HRa published Docker imageGPL-3.08,9702,970Oct 27, 2026Yes
Ever Gauzythe most commits in the last 12 months (5,783)AGPL-3.08,6355,783Oct 28, 2026Yes
solidtimeits PHP codebaseAGPL-3.09,053468Oct 27, 2026Yes
ActivityWatchthe most GitHub starsMPL-2.019,401184Oct 26, 2026No
Wakapia permissive MIT licenseMIT4,464319Oct 24, 2026Yes
Kimai–AGPL-3.05,103260Oct 28, 2026No
Horilla–LGPL-2.11,4742,250Oct 28, 2026Yes
Beaver Habit Tracker–BSD-3-Clause1,84791Sep 17, 2026Yes
TimeTracker–GPL-3.06351,592Oct 28, 2026Yes
Traggo–GPL-3.01,63841Sep 27, 2026Yes

1 of 3 · 10 picks

Top picks

10 of the 18 apps in the HR & time tracking category.

  1. 1

    Frappe HR

    Complete HRMS solution with over 13 different modules right from employee management, onboarding, leaves, to payroll, taxation, and more.

    Stands out for a published Docker image. Frappe HR has 8,970 GitHub stars, uses the GPL-3.0 license, ships a Docker image and had 2,970 commits in the last year; it replaces BambooHR and Workday.

  2. 2

    Ever Gauzy

    Open business management platform for collaborative, on-demand and sharing economies (ERP/CRM/HRM/ATS/PM).

    Stands out for the most commits in the last 12 months (5,783). Ever Gauzy has 8,635 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 5,783 commits in the last year; it replaces BambooHR and Workday.

  3. 3

    solidtime

    Modern time tracking application for freelancers and agencies.

    Stands out for its PHP codebase. solidtime has 9,053 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 468 commits in the last year.

  4. 4

    ActivityWatch

    Automatically track how you spend time on your devices.

    Stands out for the most GitHub stars. ActivityWatch has 19,401 GitHub stars, uses the MPL-2.0 license and had 184 commits in the last year.

  5. 5

    Wakapi

    Tracking tool for coding statistics, compatible with WakaTime.

    Stands out for a permissive MIT license. Wakapi has 4,464 GitHub stars, uses the MIT license, ships a Docker image and had 319 commits in the last year.

  6. 6

    Kimai

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

    Kimai has 5,103 GitHub stars, uses the AGPL-3.0 license and had 260 commits in the last year.

  7. 7

    Horilla

    Django HRMS with employee management, recruitment, onboarding, attendance, leave, payroll and performance reviews.

    Horilla has 1,474 GitHub stars, uses the LGPL-2.1 license, ships a Docker image and had 2,250 commits in the last year; it replaces BambooHR and Workday.

  8. 8

    Beaver Habit Tracker

    Habit tracking app to save your precious moments in your fleeting life.

    Beaver Habit Tracker has 1,847 GitHub stars, uses the BSD-3-Clause license, ships a Docker image and had 91 commits in the last year.

  9. 9

    TimeTracker

    Track time across projects and clients, with timers, kanban tasks, CRM, expense tracking, multi-currency invoicing (PDF, Peppol/ZugFerd e-invoicing), reports, OIDC/SSO, and a REST API.

    TimeTracker has 635 GitHub stars, uses the GPL-3.0 license, ships a Docker image and had 1,592 commits in the last year.

  10. 10

    Traggo

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

    Traggo has 1,638 GitHub stars, uses the GPL-3.0 license, ships a Docker image and had 41 commits in the last year.

2 of 3 · 5 picks

Which open source time tracking tool is best for startups?

For startups, Frappe HR ranks first (GPL-3.0, 8,970 GitHub stars), followed by Ever Gauzy and solidtime. Ranked for startups on GitHub stars, commits in the last year, Docker images, open-source licenses, project websites and recent commits.

  1. 1

    Frappe HR

    Complete HRMS solution with over 13 different modules right from employee management, onboarding, leaves, to payroll, taxation, and more.

    Frappe HR has 8,970 GitHub stars, uses the GPL-3.0 license, ships a Docker image and had 2,970 commits in the last year; it replaces BambooHR and Workday. For startups it also scores on a Docker image, an open-source license, a project website and a commit in the last 90 days.

  2. 2

    Ever Gauzy

    Open business management platform for collaborative, on-demand and sharing economies (ERP/CRM/HRM/ATS/PM).

    Ever Gauzy has 8,635 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 5,783 commits in the last year; it replaces BambooHR and Workday. For startups it also scores on a Docker image, an open-source license, a project website and a commit in the last 90 days.

  3. 3

    solidtime

    Modern time tracking application for freelancers and agencies.

    solidtime has 9,053 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 468 commits in the last year. For startups it also scores on a Docker image, an open-source license, a project website and a commit in the last 90 days.

  4. 4

    Wakapi

    Tracking tool for coding statistics, compatible with WakaTime.

    Wakapi has 4,464 GitHub stars, uses the MIT license, ships a Docker image and had 319 commits in the last year. For startups it also scores on a Docker image, a permissive license (MIT), a project website and a commit in the last 90 days.

  5. 5

    ActivityWatch

    Automatically track how you spend time on your devices.

    ActivityWatch has 19,401 GitHub stars, uses the MPL-2.0 license and had 184 commits in the last year. For startups it also scores on an open-source license, a project website and a commit in the last 90 days.

3 of 3 · 5 picks

Which open source time tracking tool is best for small business and freelancers?

For small business and freelancers, Frappe HR ranks first (GPL-3.0, 8,970 GitHub stars), followed by Ever Gauzy and solidtime. Ranked for small business and freelancers (the same order for each) on GitHub stars, commits in the last year, Docker images, open-source licenses and recent commits.

  1. 1

    Frappe HR

    Complete HRMS solution with over 13 different modules right from employee management, onboarding, leaves, to payroll, taxation, and more.

    Frappe HR has 8,970 GitHub stars, uses the GPL-3.0 license, ships a Docker image and had 2,970 commits in the last year; it replaces BambooHR and Workday. For small business it also scores on a Docker image, an open-source license, a project website and a commit in the last 90 days.

  2. 2

    Ever Gauzy

    Open business management platform for collaborative, on-demand and sharing economies (ERP/CRM/HRM/ATS/PM).

    Ever Gauzy has 8,635 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 5,783 commits in the last year; it replaces BambooHR and Workday. For small business it also scores on a Docker image, an open-source license, a project website and a commit in the last 90 days.

  3. 3

    solidtime

    Modern time tracking application for freelancers and agencies.

    solidtime has 9,053 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 468 commits in the last year. For small business it also scores on a Docker image, an open-source license, a project website and a commit in the last 90 days.

  4. 4

    ActivityWatch

    Automatically track how you spend time on your devices.

    ActivityWatch has 19,401 GitHub stars, uses the MPL-2.0 license and had 184 commits in the last year. For small business it also scores on an open-source license, a project website and a commit in the last 90 days.

  5. 5

    Wakapi

    Tracking tool for coding statistics, compatible with WakaTime.

    Wakapi has 4,464 GitHub stars, uses the MIT license, ships a Docker image and had 319 commits in the last year. For small business it also scores on a Docker image, an open-source license, a project website and a commit in the last 90 days.

FAQ

Questions and answers

Still curious? Email info@appsgit.com.

Is Frappe HR free?

Yes. Frappe HR is open-source software released under the GPL-3.0 license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.

Can I self-host these time tracking tools with Docker?

Yes, 8 of the 10 picks. Frappe HR, Ever Gauzy and solidtime publish Docker images, so you can run them on a VPS or home server with Docker Compose. The others install from their own packages or source; follow each project's install guide.

Are all of these time tracking tools open source?

All 10 apps on this list are open source. You can self-host and modify each one under its license.

Which of these time tracking tools is the most actively developed?

Ever Gauzy, with 5,783 commits in the last 12 months and a latest release, v111.138.2, from October 2026. Activity is a good sign that bugs and security issues get fixed.

How is this list ranked?

Ranked on GitHub stars, commits in the last year, Docker images, open-source licenses and recent commits across the 18 apps in the HR & time tracking category. Projects with fewer than 12 commits in the last 12 months rank below every more active project.

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