Kimai vs Solidtime
Kimai and Solidtime are both time tracking software. Kimai is open source under AGPL-3.0, with 5.1k GitHub stars. Solidtime is open source under AGPL-3.0, with 9k GitHub stars.
Which to pick
- Pick Kimai when
- A freelancer or company with many staff needs proven self-hosted time tracking and invoicing.
- Pick Solidtime when
- An agency wants a modern self-hosted Toggl or Clockify replacement.
Side by side
A multi-user time tracking application with timesheets, reports, invoicing, budgets and approval workflows.
A time tracking app for freelancers and agencies with projects, clients, billable rates and reports.
Several useful plugins are paid.
Still pre-1.0, and some features are in the paid cloud.
Production-ready
Usable
Self-hosted server and cloud service
Self-hosted server, cloud service and desktop app
PHP, Symfony and MySQL
PHP, Laravel, Vue, TypeScript and PostgreSQL
Open source, AGPL-3.0 (network copyleft) (both)
Use inside your business is unrestricted. If you change it and let customers use it over the internet, you must publish your changes. (both)
5.1k GitHub stars
9k GitHub stars
Established: started 10 years ago, latest release 2.71.0.
Established: started 2 years ago, latest release v0.22.1.
Other comparisons
More time tracking apps
Both sides were judged on 2026-11-03 from each project's README and GitHub data. License, age and popularity lines are worked out directly.