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The Best Open-Source Alternatives to Harvest

Are you looking for a free or self-hosted alternative to Harvest? In 2026, avoiding expensive proprietary software subscriptions is easier than ever. The open-source community has built excellent privacy-friendly tools within the Time Tracking ecosystem. Currently, there are 1 active replacements available, with Kimai being one of the most prominent selections.

Quick Comparison: Harvest vs. Open Source

Full comparison: Harvest vs. Kimai →
CriteriaHarvestOSS Replacements
Pricing modelPaid / Monthly Fees100% Free / Self-Hosted
Data ControlThird-party ServersFull Ownership & Privacy
CustomizabilityRestricted by VendorUnlimited (Modify Codebase)

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AGPL-3.0

Kimai is a free, private, and customizable time-tracking software that enables businesses and individuals to effortlessly record, manage, and analyze their workload, providing a seamless alternative to subscription-based solutions like Harvest. With its open-source model, users maintain full control over their data and enjoy unlimited scalability without compromising on their digital autonomy.

⭐ 4,848 Stars
šŸ“ 819 Forks
ā— 0 Open Issues
šŸ·ļø AGPL-3.0

Frequently Asked Questions

What is the best open source alternative to Harvest?

Based on GitHub community data (including star count and fork activity), Kimai stands out as one of the most reliable open-source replacements for Harvest today.

Why should I use an open-source replacement instead of Harvest?

Switching to an open-source solution ensures complete data sovereignty, protects your software environment from sudden vendor price hikes, and gives you full transparent control over your tech-stack metadata.

Top Open-Source Alternatives to Harvest in 2026