Open-source time tracking software — What AI Actually Said

Best in category · Aug 19, 2026

For a self-hosted, hourly-billing agency setup, a few open-source tools stand out clearly above the rest: ## Top pick: Kimai Across nearly every source, **Kimai** is called out as the most mature, business-oriented option. Kimai tracks time against a hierarchy of customers, projects, and activities, and at the end of the month invoices generate from actual recorded hours — no guessing, no roundin

Best in category · Aug 19, 2026

For a freelancer who wants full control over their own data, a handful of open-source, self-hostable tools stand out — each with a different trade-off between polish, features, and simplicity. ## Top pick: Kimai Kimai is the best-known open-source time tracker — hosted on your own server, with reports, project management, invoicing add-ons, and API access all included, giving you maximum data con

recommendation · Aug 19, 2026

For a self-hosted setup, the clear front-runner is **Kimai** — it's the most mature, business-oriented open-source time tracker and maps well onto a law firm's needs (client → matter → activity hierarchy, billable/non-billable rates, and exportable reports). ## Kimai (top pick) **Why it fits:** You can start and stop timers or enter hours manually against any client, project, or activity for acc

recommendation · Aug 19, 2026

For a distributed team spread across multiple time zones, **Kimai** is the strongest open-source option to start with, with **solidtime** and **Ever Gauzy** as close alternatives depending on your priorities. ## Top pick: Kimai Kimai is explicitly built for multi-timezone, multi-user teams. Its feature set includes a JSON API, invoicing, data exports, multi-timer and punch-in punch-out mode, tag

Alternatives · Aug 19, 2026

If you're looking to move away from proprietary, cloud-hosted time trackers like Toggl, Clockify, or Harvest, there are several solid open-source options — ranging from self-hosted business timesheet apps to privacy-focused automatic activity trackers. ## Full-featured, self-hosted business time trackers **Kimai** is the most commonly recommended open-source alternative to Clockify/Toggl for tea

Comparison · Aug 19, 2026

Open-source time tracking splits pretty cleanly into two categories depending on whether you're tracking your own focus/coding time or managing a team's billable hours and reporting. Here's how the landscape breaks down: ## For Individual Developers The priority here is usually integration with your existing workflow (IDE, issue tracker), privacy (local data), and low friction — not surveillance

Problem solving · Aug 19, 2026

Here's a practical roadmap for self-hosting a time tracking system that talks to your project management and invoicing tools. ## Two approaches: all-in-one vs. best-of-breed stack **Approach 1: All-in-one self-hosted suite** Some tools bundle time tracking, PM, and billing together so you don't need integrations at all: - **Kimai** — Kimai is a mature open-source time tracking platform for proj