Time Tracking & Productivity Tools
2 open source time tracking tools you can self-host. Compare Harvest, Toggl, and Clockify alternatives by timesheets, invoicing, and reports. Updated Sept 2026.
Kimai
Kimai is an open-source, multi-user time-tracking application, and a self-hosted alternative to Toggl and Harvest. Time is logged against a customer → project → activity hierarchy, with hourly or fixed rates, rounding rules, and budgets. It exports to CSV, PDF, and spreadsheet formats, generates invoices from templates, and has a plugin marketplace plus a REST API.
SolidTime
Solidtime is an open‑source time tracking tool designed for freelancers and agencies. It offers a clean, modern interface and supports managing projects, tasks, and clients. Users can work across multiple organizations and customize billing rates. The platform also provides import tools for migrating from other trackers.