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Harvest alternatives · Time Tracking

Open-source alternatives to Harvest

Harvest is not described as open source on its own site. 6 of the 42 other time tracking apps in this directory are open source, according to their own sites.

Harvest has a free plan. Paid plans start at $9 per seat / month, billed annually ($108 per seat). All of them are free or have a free plan.

6 tools · Listings checked up to Oct 6, 2026 · Where the facts come from

How each one differs from Harvest

  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). Harvest starts at $9 per seat / month, billed annually ($108 per seat).
    • Only Harvest lists macOS, Windows, iOS and Android apps.
    • Only Harvest lists a browser extension.
    • Kimai is open source and self-hostable, according to its own site.
    Kimai vs HarvestKimai 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. Harvest starts at $9 per seat / month, billed annually ($108 per seat).
    • Only solidtime lists a Linux app.
    • Only Harvest lists iOS and Android apps.
    • solidtime is open source and self-hostable, according to its own site.
    solidtime vs Harvestsolidtime 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). Harvest starts at $9 per seat / month, billed annually ($108 per seat).
    • Only Harvest lists macOS, Windows, iOS and Android apps.
    • Only Harvest lists a browser extension.
    • TimeTagger is open source and self-hostable, according to its own site.
    TimeTagger pricing and details

  4. ActivityWatch

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

    • ActivityWatch is free. Harvest starts at $9 per seat / month, billed annually ($108 per seat).
    • Only ActivityWatch lists a Linux app.
    • Only Harvest lists a web app.
    • Only Harvest lists an iOS app.
    ActivityWatch pricing and details

  5. TimeScribe

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

    • TimeScribe is free. Harvest starts at $9 per seat / month, billed annually ($108 per seat).
    • Only Harvest lists a web app.
    • Only Harvest lists iOS and Android apps.
    • Only Harvest lists a browser extension.
    TimeScribe pricing and details

  6. Simple Time Tracker

    Free, open-source activity time tracker for Android

    • Simple Time Tracker is free. Harvest starts at $9 per seat / month, billed annually ($108 per seat).
    • Only Harvest lists a web app.
    • Only Harvest lists macOS, Windows and iOS apps.
    • Only Harvest lists a browser extension.
    Simple Time Tracker pricing and details

Common questions

Is there an open-source alternative to Harvest?

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

Is Harvest open source?

Harvest is not described as open source on its own site. The listing was checked on Oct 5, 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 Oct 6, 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 Harvest: the alternatives its listing names first, then the tools that share the most features with it.