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Kimai v2 is a web-based multiuser time-tracking application. Free for everyone: freelancers, agencies, companies, organizations - all can track their times, generate invoices and more. SaaS version available at

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Kimai 2 - online time-tracker

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Kimai is a free, open source and online time-tracking software designed for small businesses and freelancers. It is built with modern technologies such as Symfony, Bootstrap, RESTful API, Doctrine, AdminLTE, Webpack, ES6 etc.



  • PHP 7.2.9 or higher
  • Database (MySQL/MariaDB, SQLite for development)
  • Webserver (nginx, Apache)
  • A modern browser
  • Other libraries


This is the new version of the open source timetracker Kimai. It is stable and production ready, ships with most advanced features from Kimai 1 and many new ones, including but not limited to:

JSON API, invoicing, data exports, multi-timer and punch-in punch-out mode, tagging, multi-user and multi-timezones, authentication via SAML/LDAP/Database, customizable role permissions, responsive and ready for your mobile device, user specific rates, advanced search & filtering, money and time budgets with report, support for plugins and many more.


Updating Kimai


Roadmap and releases

You can see a rough development roadmap in the Milestones sections. It is open for changes and input from the community, your ideas and questions are welcome.

Kimai 2 uses a rolling release concept for delivering updates. You can upgrade Kimai at any time, you don't need to wait for the next official release. The master branch is always deployable, release tags are only snapshots of the current development version.

Release versions will be created on a regular base (approx. one release every 4-8 weeks). Every code change, whether it's a new feature or a bug fix, will be done on the master branch. Kimai is actively developed in my spare time and I put my effort into the software instead of backporting changes for old versions. The only exception is a critical security issue, which I would fix in the latest stable version as well.


Kimai 2 is developed with modern frameworks like Symfony v4, Doctrine, AdminLTEBundle (based on AdminLTE theme) and many more.