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TimeTac alternatives · Time Tracking

Open-source alternatives to TimeTac

TimeTac is not described as open source on its own site. 10 of the 98 other time tracking apps in this directory are open source, according to their own sites.

TimeTac is a paid product with a free trial, starting at $5 per user / month, billed yearly ($6 billed monthly), plus a base fee. 9 of them are free or have a free plan.

10 tools · Listings checked up to Nov 13, 2026 · Where the facts come from

How each one differs from TimeTac

  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). TimeTac starts at $5 per user / month, billed yearly ($6 billed monthly), plus a base fee.
    • Kimai has a free plan. TimeTac does not, though it has a free trial.
    • Only TimeTac lists iOS, Android, macOS and Windows apps.
    • Kimai is open source and self-hostable, according to its own site.
    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. TimeTac starts at $5 per user / month, billed yearly ($6 billed monthly), plus a base fee.
    • solidtime has a free plan. TimeTac does not, though it has a free trial.
    • Only solidtime lists a Linux app.
    • Only solidtime lists a browser extension.
    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). TimeTac starts at $5 per user / month, billed yearly ($6 billed monthly), plus a base fee.
    • TimeTagger has a free plan. TimeTac does not, though it has a free trial.
    • Only TimeTac lists iOS, Android, macOS and Windows apps.
    • TimeTagger is open source and self-hostable, according to its own site.
    TimeTagger pricing and details

  4. TimeTrex

    Time and attendance, payroll and HR workforce management

    • TimeTrex starts at $5 per employee / month, $50 monthly minimum, 1-year term. TimeTac starts at $5 per user / month, billed yearly ($6 billed monthly), plus a base fee.
    • Only TimeTac lists iOS, Android, macOS and Windows apps.
    • TimeTrex is open source, according to its own site.
    • TimeTrex also covers payroll, shift scheduling and employee records.
    TimeTrex pricing and details

  5. ActivityWatch

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

    • ActivityWatch is free. TimeTac starts at $5 per user / month, billed yearly ($6 billed monthly), plus a base fee.
    • ActivityWatch has a free plan. TimeTac does not, though it has a free trial.
    • Only ActivityWatch lists a Linux app.
    • Only ActivityWatch lists a browser extension.
    ActivityWatch pricing and details

  6. TimeScribe

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

    • TimeScribe is free. TimeTac starts at $5 per user / month, billed yearly ($6 billed monthly), plus a base fee.
    • TimeScribe has a free plan. TimeTac does not, though it has a free trial.
    • Only TimeTac lists a web app.
    • Only TimeTac lists iOS and Android apps.
    TimeScribe pricing and details

  7. Timewarrior

    Free, open-source time tracking from the command line

    • Timewarrior is free. TimeTac starts at $5 per user / month, billed yearly ($6 billed monthly), plus a base fee.
    • Timewarrior has a free plan. TimeTac does not, though it has a free trial.
    • Only Timewarrior lists a Linux app.
    • Only TimeTac lists a web app.
    Timewarrior pricing and details

  8. Dayflow

    Open-source Mac app that logs your workday automatically

    • Dayflow starts at $20 per month, billed monthly. TimeTac starts at $5 per user / month, billed yearly ($6 billed monthly), plus a base fee.
    • Dayflow has a free plan. TimeTac does not, though it has a free trial.
    • Only TimeTac lists a web app.
    • Only TimeTac lists iOS, Android and Windows apps.
    Dayflow pricing and details

  9. Simple Time Tracker

    Free, open-source activity time tracker for Android

    • Simple Time Tracker is free. TimeTac starts at $5 per user / month, billed yearly ($6 billed monthly), plus a base fee.
    • Simple Time Tracker has a free plan. TimeTac does not, though it has a free trial.
    • Only TimeTac lists a web app.
    • Only TimeTac lists iOS, macOS and Windows apps.
    Simple Time Tracker pricing and details

  10. Traggo

    Self-hosted, tag-based time tracking with dashboards

    • Traggo is free. TimeTac starts at $5 per user / month, billed yearly ($6 billed monthly), plus a base fee.
    • Traggo has a free plan. TimeTac does not, though it has a free trial.
    • Only TimeTac lists iOS, Android, macOS and Windows apps.
    • Traggo is open source and self-hostable, according to its own site.
    Traggo pricing and details

Common questions

Is there an open-source alternative to TimeTac?

Yes. Kimai, solidtime, TimeTagger, TimeTrex, ActivityWatch, TimeScribe, Timewarrior, Dayflow and 2 more are open source, according to their own sites.

Is TimeTac open source?

TimeTac is not described as open source on its own site. The listing was checked on Nov 13, 2026 against the pages it cites.

Which of these time tracking apps are free?

Kimai, solidtime, TimeTagger, ActivityWatch, TimeScribe, Timewarrior, Dayflow, Simple Time Tracker and 1 more are free or have a free plan.

When was this checked?

Each listing shows its own date. On this page they run from Oct 5, 2026 to Nov 13, 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 TimeTac: the alternatives its listing names first, then the tools that share the most features with it.