Kimai

Kimai is a professional, web-based time-tracking application for freelancers, agencies, and organizations. It helps teams record working time across customers, projects, and activities, and turns that data into reports and invoices.

Key Features

• Multi-user time tracking with roles, teams, and permission controls
• Customer, project, and activity management with budgets and hourly rates
• Time-clock mode (punch-in/punch-out) and multi-timer support
• Advanced reporting, filtering, and dashboards for time and cost analysis
• Invoicing with configurable templates and multiple export formats
• Data export options (for example CSV, PDF, and spreadsheet formats)
• Extensive JSON API for integrations and automation
• Authentication options including database login, LDAP, and SAML, plus optional TOTP-based 2FA
• Plugin system to extend features

Use Cases

• Tracking billable work and generating invoices for clients
• Company-wide timesheets and internal reporting by team, project, and period
• Integrating time tracking into existing tooling via the JSON API

Kimai is a solid fit when you need a full-featured time tracking system with strong reporting and invoicing capabilities, while supporting both small and large multi-user deployments.