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The Best Open-Source Alternatives to RescueTime

Are you looking for a free or self-hosted alternative to RescueTime? 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 3 active replacements available, with ActivityWatch being one of the most prominent selections.

Quick Comparison: RescueTime vs. Open Source

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

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ActivityWatch

šŸ“ˆ Trending⭐ 10k+ Stars
MPL-2.0

ActivityWatch is a free, open-source activity tracking tool that records and visualizes user behavior across various applications and devices, providing an alternative to commercial services like RescueTime that focus on individual productivity and time management. By utilizing a decentralized and self-hosted approach, ActivityWatch offers unparalleled control over data collection, allowing users to safeguard their digital habits and maintain complete data ownership and anonymity.

⭐ 18,422 Stars
šŸ“ 972 Forks
ā— 0 Open Issues
šŸ·ļø MPL-2.0
AGPL-3.0

Kimai is a free, open-source time-tracking platform that allows users to monitor and analyze their work hours while ensuring complete control over their personally identifiable information and data. This self-hosted alternative to RescueTime empowers individuals to manage their productivity and time management in a private and transparent manner.

⭐ 4,871 Stars
šŸ“ 821 Forks
ā— 0 Open Issues
šŸ·ļø AGPL-3.0

Project Hamster is an open-source time tracking application that helps you understand how you spend your time on your computer, providing a detailed breakdown of your activities without compromising your privacy. As a highly customizable and self-hosted alternative to RescueTime, it offers users total control over their data, allowing them to track and analyze their time usage without relying on third-party services.

⭐ 1,127 Stars
šŸ“ 259 Forks
ā— 0 Open Issues
šŸ·ļø GPL-3.0

Frequently Asked Questions

What is the best open source alternative to RescueTime?

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

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

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 RescueTime in 2026