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The Best Open-Source Alternatives to When I Work

Are you looking for a free or self-hosted alternative to When I Work? 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 Kimai being one of the most prominent selections.

Quick Comparison: When I Work vs. Open Source

Full comparison: When I Work vs. Kimai →
CriteriaWhen I WorkOSS 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 highly customizable, open-source time-tracking and invoicing solution that helps manage work hours, tasks, and projects with ease, while maintaining complete control over data ownership and privacy. As a self-hosted, community-driven alternative to When I Work, Kimai offers a secure and transparent solution for businesses and individuals seeking to keep their work data out of third-party servers.

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

OrangeHRM is a comprehensive, web-based Human Resource Management System (HRMS) that offers a customizable, scalable, and highly secure solution for automating HR processes, employee data management, and talent management, making it an excellent, privacy-friendly alternative to When I Work for businesses seeking a secure and feature-rich solution.

⭐ 1,113 Stars
šŸ“ 746 Forks
ā— 0 Open Issues
šŸ·ļø GPL-3.0

Jorani is a powerful, open-source employee scheduling and time tracking platform that helps businesses manage their workforce with transparency and control, offering a seamless alternative to commercial solutions like When I Work. With Jorani, organizations can easily create schedules, track work hours, and maintain precise attendance records while safeguarding their employees' sensitive information.

⭐ 408 Stars
šŸ“ 280 Forks
ā— 0 Open Issues
šŸ·ļø MIT

Frequently Asked Questions

What is the best open source alternative to When I Work?

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

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

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.