Kimai – time tracker software

Kimai is web based software that tracks work time, and classifies it.

It tracks time and prints out a summary of your activities on demand. Yearly, monthly, daily, by customer, by project, by action.

Its simplicity is its strength. Due to Kimai’s web browser based interface it runs cross-platform. It also runs cross-network. Likewise you can install it as a web service or as a single-user program on your local workstation.

Features include:

  • Multiple user management: Customer, Worker, Admins.
  • Customer login with read only privileges.
  • Customer, Projects, Tasks.
  • Exports.
  • Customizable Invoices (through ODT files).
  • Extensions which add additional functionality.
  • Every user has its own timesheet.
  • Extensive and role-based permission management.
  • Manage customers, projects and activities.
  • Track project budgets.
  • Record expenses.
  • Print invoices in multiple formats (ODT, ODS, HTML).
  • Export data in multiple formats (PDF, XLSX, CSV, direct print).
  • SOAP and JSON API.
  • LDAP login provider.

Support: Documentation, GitHub
Developer: Kevin Papst, Severin Leonhardt, Torsten Höltge and others
License: GNU GPL v3


Kimai is written in PHP. Learn PHP with our recommended free books and free tutorials.

Return to Time Tracking Home Page

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