TimeTracker

TimeTracker is a comprehensive, self-hosted time tracking solution that puts you in complete control of your data. Unlike cloud-based alternatives like Toggl or Harvest, this open-source platform runs entirely on your infrastructure, ensuring zero subscription fees and complete privacy.

With 120+ features included, TimeTracker covers everything from smart time tracking with persistent server-side timers to professional invoicing and project management. The platform offers one-click timers, idle detection, unlimited projects and tasks, Kanban boards, and built-in invoice generation with PDF export.

Key advantages over traditional solutions:

• No recurring costs - one-time setup with unlimited users
• Server-side timer persistence - never lose tracked time when closing browser tabs
• Built-in invoicing - no third-party integrations required
• Complete data control - GDPR compliant by design
• Docker-ready deployment - up and running in under 5 minutes

Perfect for freelancers tracking billable hours, teams managing multiple projects, and organizations requiring data privacy. The platform includes role-based access control, comprehensive reporting with visual dashboards, expense tracking, and multi-currency support.

Technical highlights include Flask/Python backend, SQLite/PostgreSQL support, RESTful API, real-time WebSocket updates, and responsive design with dark mode. Minimal system requirements (512MB RAM, Docker support) make it suitable for everything from Raspberry Pi to enterprise servers.