{"category":{"slug":"open-source-time-tracking","label":"Open-source time tracking software"},"methodology_url":"https://www.orbator.io/ai-index/methodology","license":"Free to use with attribution to orbator.io","date":"2026-07-22","engine":null,"available_dates":["2026-08-10","2026-08-09","2026-07-29","2026-07-25","2026-07-22","2026-07-05","2026-07-04","2026-06-17","2026-06-16"],"policy":{"quotable_engines":["anthropic","openai","gemini"],"max_excerpt_chars":400,"full_text_public":false,"customer_runs_public":false,"full_text_retention":"retained at least 24 months, then operator review","notes":["Only Index category runs are archived publicly — customer scans never appear.","The quotable unit is a short excerpt of at most 400 characters, never the full answer.","Engines outside the verbatim allowlist are recorded as having answered, with the excerpt withheld under their terms.","Prompt intent is published; the prompt text itself is not."]},"status":"ok","count":21,"limit":50,"truncated":false,"engines":[{"engine":"gemini","count":7,"withheld":false,"answers":[{"engine":"gemini","answered_on":"2026-07-22","prompt_intent":"best_in_category","excerpt":"For freelancers seeking an open-source time tracking tool with self-hosting capabilities, several robust options offer features like project management, client billing, and detailed reporting, ensuring full control over their data. The most highly recommended choices include SolidTime, Kimai, and TimeTracker.\n\n**SolidTime** is a modern, open-source time-tracking application specifically designed f","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":276,"end":285,"name":"Solidtime"},{"start":287,"end":292,"name":"Kimai"},{"start":298,"end":309,"name":"TimeTracker"},{"start":314,"end":323,"name":"Solidtime"}]},{"engine":"gemini","answered_on":"2026-07-22","prompt_intent":"best_in_category","excerpt":"For agencies that bill clients by the hour and require a self-hosted time tracking solution, several open-source options offer robust features for managing projects, clients, and invoicing.\n\nLeading self-hosted choices for agencies include:\n\n*   **Kimai** is a widely recognized, mature open-source timesheet application specifically designed for freelancers and agencies. It offers comprehensive fea","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":248,"end":253,"name":"Kimai"}]},{"engine":"gemini","answered_on":"2026-07-22","prompt_intent":"recommendation","excerpt":"For a distributed team operating across multiple time zones, several open-source time trackers offer features to streamline time management and enhance collaboration. These tools often provide functionalities such as global timezone support, comprehensive reporting, and integration with project management.\n\nHere are some recommended open-source time trackers:\n\n*   **Kimai** is a polished, self-hos","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":369,"end":374,"name":"Kimai"}]},{"engine":"gemini","answered_on":"2026-07-22","prompt_intent":"recommendation","excerpt":"For a law firm seeking a self-hosted time tracking solution that provides billable hour reports and client breakdowns, several options cater to these specific needs, ranging from open-source tools to dedicated legal practice management software.\n\n**Recommended Self-Hosted Solutions:**\n\n*   **Kimai** stands out as a robust, open-source time-tracking application. It is suitable for various team size","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":293,"end":298,"name":"Kimai"}]},{"engine":"gemini","answered_on":"2026-07-22","prompt_intent":"alternatives","excerpt":"For businesses and individuals seeking open-source alternatives to popular cloud-hosted employee time logging tools, several robust self-hosted options offer flexibility, data control, and a range of features. These tools are often favored for their privacy-first approach and the ability to customize them to specific workflows.\n\nHere are some notable open-source time tracking alternatives:\n\n*   **","excerpt_withheld":false,"withheld_reason":null,"highlights":[]},{"engine":"gemini","answered_on":"2026-07-22","prompt_intent":"comparison","excerpt":"Open-source time tracking tools offer flexibility and control, catering to the distinct needs of individual developers and team leads. While individual developers often prioritize minimal friction, automatic tracking, and integration with their development environment, team leads require robust reporting, team management, and project overview capabilities.\n\nHere are open-source time tracking tools","excerpt_withheld":false,"withheld_reason":null,"highlights":[]},{"engine":"gemini","answered_on":"2026-07-22","prompt_intent":"problem_solving","excerpt":"Self-hosting a time tracking system that seamlessly integrates with project management and invoicing provides greater control over your data and infrastructure. Several open-source solutions offer these capabilities, catering to various team sizes and technical proficiencies.\n\n### Recommended Self-Hosted Time Tracking Systems:\n\nHere are some of the top open-source, self-hosted options that combine","excerpt_withheld":false,"withheld_reason":null,"highlights":[]}]},{"engine":"openai","count":7,"withheld":false,"answers":[{"engine":"openai","answered_on":"2026-07-22","prompt_intent":"best_in_category","excerpt":"If you're a solo freelancer who wants to self-host and own your data, my top recommendation is Kimai.\n\nWhy Kimai stands out:\n- Mature and actively maintained open-source project with a large user base. ([kimai.org](https://www.kimai.org/?utm_source=openai))\n- Built specifically for time tracking, clients, projects, billable hours, and reporting.\n- Easy to self-host with Docker.\n- Supports exports","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":95,"end":100,"name":"Kimai"},{"start":107,"end":112,"name":"Kimai"},{"start":204,"end":209,"name":"Kimai"},{"start":227,"end":232,"name":"Kimai"},{"start":373,"end":379,"name":"Docker"}]},{"engine":"openai","answered_on":"2026-07-22","prompt_intent":"best_in_category","excerpt":"For a services agency that bills clients by the hour, I'd prioritize accurate billable time, client/project management, approval workflows, invoicing, reporting, and ease of use over pure employee monitoring.\n\nMy recommendations:\n\n1. Kimai — Best overall\n- Open source and mature, with a large user base.\n- Built specifically around clients, projects, activities, billable rates, and invoicing.\n- Sup","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":234,"end":239,"name":"Kimai"}]},{"engine":"openai","answered_on":"2026-07-22","prompt_intent":"recommendation","excerpt":"For a distributed team across multiple time zones, I'd recommend Kimai first unless your needs are very specialized. It has been around for years, is actively maintained, supports multi-user and multi-time-zone teams, includes projects, customers, reporting, permissions, APIs, and can be self-hosted or used as a hosted service. It also supports enterprise authentication (LDAP/SAML) if you need it","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":65,"end":70,"name":"Kimai"}]},{"engine":"openai","answered_on":"2026-07-22","prompt_intent":"recommendation","excerpt":"For a law firm, the most important features are usually:\n\n- Time entries tied to clients and matters/cases\n- Billable vs. non-billable time\n- Attorney-specific billing rates\n- Detailed reports by client, matter, attorney, and date range\n- Export to Excel/PDF for invoicing or accounting\n- Self-hosting with role-based permissions\n\nBased on those requirements, these are the strongest self-hosted opti","excerpt_withheld":false,"withheld_reason":null,"highlights":[]},{"engine":"openai","answered_on":"2026-07-22","prompt_intent":"alternatives","excerpt":"If you're looking to replace cloud-hosted tools like Toggl Track, Harvest, Clockify, Hubstaff, or QuickBooks Time with something you can self-host, there are several mature open-source options.\n\nHere's a comparison of the strongest choices:\n\n| Project | Best for | Employee features | License |\n|---|---|---|---|\n| Kimai | General business time tracking | Projects, customers, approvals, reports, inv","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":53,"end":64,"name":"Toggl Track"},{"start":66,"end":73,"name":"Harvest"},{"start":75,"end":83,"name":"Clockify"},{"start":85,"end":93,"name":"Hubstaff"},{"start":98,"end":108,"name":"QuickBooks"},{"start":315,"end":320,"name":"Kimai"}]},{"engine":"openai","answered_on":"2026-07-22","prompt_intent":"comparison","excerpt":"The biggest difference is the goal.\n\nFor an individual developer, the best tools optimize personal awareness: \"Where did my time go?\" For a team lead, the goal shifts toward planning, project visibility, billing, and capacity management. The best open-source tools for those jobs are often different.\n\nHere's how I'd separate them:\n\n| Use case | Best fit | Why |\n|---|---|---|\n| Solo developer | Acti","excerpt_withheld":false,"withheld_reason":null,"highlights":[]},{"engine":"openai","answered_on":"2026-07-22","prompt_intent":"problem_solving","excerpt":"If you want a self-hosted system that covers time tracking, project management, and invoicing, there are a few good architectures depending on how integrated you want everything to be.\n\nThe simplest option is an all-in-one platform.\n\n- ERPNext\n  - Includes project management, task tracking, timesheets, invoicing, accounting, CRM, and expenses.\n  - Employees log time against projects and tasks.\n  -","excerpt_withheld":false,"withheld_reason":null,"highlights":[]}]},{"engine":"perplexity","count":7,"withheld":true,"answers":[{"engine":"perplexity","answered_on":"2026-07-22","prompt_intent":"best_in_category","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-07-22","prompt_intent":"best_in_category","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-07-22","prompt_intent":"recommendation","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-07-22","prompt_intent":"recommendation","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-07-22","prompt_intent":"alternatives","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-07-22","prompt_intent":"comparison","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-07-22","prompt_intent":"problem_solving","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]}]}]}