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ActivTrak alternatives · Time Tracking

Open-source alternatives to ActivTrak

ActivTrak is not described as open source on its own site. 8 of the 69 other time tracking apps in this directory are open source, according to their own sites.

ActivTrak has a free plan. Paid plans start at $10 per worker / month, billed annually. All of them are free or have a free plan.

8 tools · Listings checked up to Nov 12, 2026 · Where the facts come from

How each one differs from ActivTrak

  1. Kimai

    Open-source time tracking with invoicing, self-hosted or cloud

    • Kimai starts at €2.99 per user / month, billed annually (€3.99 billed monthly). ActivTrak starts at $10 per worker / month, billed annually.
    • Kimai is open source and self-hostable, according to its own site.
    • Kimai also covers invoicing.
    • ActivTrak also covers site & app blocker and dashboards.
    Kimai pricing and details

  2. solidtime

    Open-source time tracker for freelancers and teams

    • solidtime starts at €8 per user / month, billed annually; on-premise licenses from €49 / year. ActivTrak starts at $10 per worker / month, billed annually.
    • Only solidtime lists macOS, Windows and Linux apps.
    • Only solidtime lists a browser extension.
    • solidtime is open source and self-hostable, according to its own site.
    solidtime pricing and details

  3. TimeTagger

    Open-source time tracker built on tags and a timeline

    • TimeTagger starts at €3 per month, billed annually (€4 billed monthly). ActivTrak starts at $10 per worker / month, billed annually.
    • TimeTagger is open source and self-hostable, according to its own site.
    • TimeTagger also covers Pomodoro timer.
    • ActivTrak also covers site & app blocker and dashboards.
    TimeTagger pricing and details

  4. ActivityWatch

    Free, open-source automatic time tracker that keeps data local

    • ActivityWatch is free. ActivTrak starts at $10 per worker / month, billed annually.
    • Only ActivityWatch lists Windows, macOS, Linux and Android apps.
    • Only ActivityWatch lists a browser extension.
    • Only ActivTrak lists a web app.
    ActivityWatch pricing and details

  5. TimeScribe

    Free, open-source local time tracker for macOS and Windows

    • TimeScribe is free. ActivTrak starts at $10 per worker / month, billed annually.
    • Only TimeScribe lists macOS and Windows apps.
    • Only ActivTrak lists a web app.
    • TimeScribe is open source, according to its own site.
    TimeScribe pricing and details

  6. Timewarrior

    Free, open-source time tracking from the command line

    • Timewarrior is free. ActivTrak starts at $10 per worker / month, billed annually.
    • Only Timewarrior lists Linux and macOS apps.
    • Only ActivTrak lists a web app.
    • Timewarrior is open source, according to its own site.
    Timewarrior pricing and details

  7. Traggo

    Self-hosted, tag-based time tracking with dashboards

    • Traggo is free. ActivTrak starts at $10 per worker / month, billed annually.
    • Traggo is open source and self-hostable, according to its own site.
    • Traggo also covers calendar.
    • ActivTrak also covers site & app blocker and reports.
    Traggo pricing and details

  8. Simple Time Tracker

    Free, open-source activity time tracker for Android

    • Simple Time Tracker is free. ActivTrak starts at $10 per worker / month, billed annually.
    • Only Simple Time Tracker lists an Android app.
    • Only ActivTrak lists a web app.
    • Simple Time Tracker is open source, according to its own site.
    Simple Time Tracker pricing and details

Common questions

Is there an open-source alternative to ActivTrak?

Yes. Kimai, solidtime, TimeTagger, ActivityWatch, TimeScribe, Timewarrior, Traggo and Simple Time Tracker are open source, according to their own sites.

Is ActivTrak open source?

ActivTrak is not described as open source on its own site. The listing was checked on Nov 12, 2026 against the pages it cites.

When was this checked?

Each listing shows its own date. On this page they run from Oct 5, 2026 to Nov 12, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to ActivTrak: the alternatives its listing names first, then the tools that share the most features with it.