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Open Source Harvest Alternatives

The best open source alternative to Harvest is Cattr. If that doesn't suit you, our users have ranked more than 100 alternatives to Harvest and 15 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Harvest are Invoice Ninja, Manta, Furtherance and Invoncify.

Harvest alternatives are mainly Time Tracking Tools but may also be Invoicing Software or Task Management Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Harvest.
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Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing.

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  1. Cattr icon

    Cattr

    • Mac
    • Windows
    • Linux
    • Online
    • Self-Hosted
    223 alternatives to Cattr 

    Cattr is a free open-source self-hosted time tracker with desktop clients for windows, mac, linux. The key features are built-in screenshot capture, activity detection. Integrations with jira, redmine, trello, gitlab, other task managers via plugins.

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    Features
    1.  Ad-freeCattr doesn't contain any form of external advertising.
    2.  Task Time TrackingKeep a record of time spent on a task with Cattr.
    Desktop client
    User's dashboard
  2. Invoice Ninja icon

    Invoice Ninja

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Cloudron
    123 alternatives to Invoice Ninja 

    Invoice Ninja is a free, open-source solution for invoicing and billing customers. With Invoice Ninja, you can easily build and send beautiful invoices from any device that has access to the web.

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    Features
    Screenshot
    Screenshot


  3. Manta icon

    Manta

    • Mac
    • Windows
    • Linux
    85 alternatives to Manta 

    Painless invoicing with stunning customizable templates.

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    Features
    Discontinued

    The project looks unmaintained, last update was in March 2018.

    Screenshot
  4. Furtherance icon

    Furtherance

    • Windows
    • Linux
    • Android
    • Flathub
    • Flatpak
    85 alternatives to Furtherance 

    Furtherance is a time tracking app. It allows you to track time spent on different activities without worrying about your data being captured and sold.

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    Features
    1.  Pomodoro TimerPractice the Pomodoro Technique in Furtherance to stay focused and productive.
    2.  Works OfflineFurtherance can be used without the need to connect to the internet.
    Screenshot
    Screenshot
  5. Invoncify

    • Mac
    • Windows
    • Linux
    82 alternatives to Invoncify 

    This is a continuation of Manta App, I'm taking care about the maintenance and new features as I need it.

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    Features
    Screenshot


  6. Gauzy icon

    Gauzy

    • Self-Hosted
    35 alternatives to Gauzy 

    Open-Source Business Management Platform (ERP/CRM/HRM).

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    Features
    Screenshot
  7. TrackYourTime icon

    TrackYourTime

    • Mac
    • Windows
    • Linux
    150 alternatives to TrackYourTime 

    Cross-platform automated time tracker.

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    Features
    Discontinued

    No reseases since Dec 2017, no commits since Jan 2018. See https://github.com/Allexin/TrackYourTime

    Screenshot
  8. REI3 Time Tracker icon

    REI3 Time Tracker

    • FreeOpen Source
    • Windows
    • Linux
    • Online
    • Self-Hosted
    12 alternatives to REI3 Time Tracker 

    Setup time tracking with little effort for you and your organization. REI3 Time Tracker can help control hours spent and to fulfill legal requirements.

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    Features
    1.  Import CSV DataREI3 Time Tracker can import data from a CSV (Comma seperated values) file.
    Screenshot
    Screenshot
  9. TwentyFive icon

    TwentyFive

    • Online
    • Self-Hosted
    67 alternatives to TwentyFive 

    HTML5 time tracking web app focused on speed and simplicity that encourages you to follow the Pomodoro Technique.

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    Features
    1.  Pomodoro TimerPractice the Pomodoro Technique in TwentyFive to stay focused and productive.
    Task timer
    List of tasks
  10. Simple Invoices icon

    Simple Invoices

    • Windows
    • Online
    130 alternatives to Simple Invoices 

    Simple Invoices is a free, open source, web based invoicing system that you can install on your server/pc or have hosted by one of our services providers.

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    Features
    Screenshot
Showing 10 of 15 alternatives
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