{"category":{"slug":"open-source-hr-management","label":"Open-source HR management software"},"methodology_url":"https://www.orbator.io/ai-index/methodology","license":"Free to use with attribution to orbator.io","date":"2026-08-18","engine":null,"available_dates":["2026-09-08","2026-08-19","2026-08-18","2026-08-10","2026-08-09","2026-07-29","2026-07-25","2026-07-22","2026-07-05","2026-07-04","2026-06-17"],"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":8,"limit":50,"truncated":false,"engines":[{"engine":"gemini","count":2,"withheld":false,"answers":[{"engine":"gemini","answered_on":"2026-08-18","prompt_intent":"best_in_category","excerpt":"For companies seeking an open-source HR management system with on-premise data storage, several robust options provide flexibility and control over employee data. These systems allow organizations to host the software on their own servers, ensuring data sovereignty and often enabling extensive customization.\n\nHere are some of the best open-source HR management systems that support on-premise deplo","excerpt_withheld":false,"withheld_reason":null,"highlights":[]},{"engine":"gemini","answered_on":"2026-08-18","prompt_intent":"best_in_category","excerpt":"For a mid-size company seeking a self-hosted Human Resource Management System (HRMS) to manage leave, payroll, and performance reviews, several robust open-source options are available. These systems offer control over data and customization, catering to businesses typically ranging from 50 to 500 employees.\n\nHere are some of the best self-hosted HRMS solutions:\n\n*   **OrangeHRM:** Considered a go","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":372,"end":381,"name":"OrangeHRM"}]}]},{"engine":"grok","count":2,"withheld":true,"answers":[{"engine":"grok","answered_on":"2026-08-18","prompt_intent":"best_in_category","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"grok","answered_on":"2026-08-18","prompt_intent":"best_in_category","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]}]},{"engine":"openai","count":2,"withheld":false,"answers":[{"engine":"openai","answered_on":"2026-08-18","prompt_intent":"best_in_category","excerpt":"For a company that specifically wants employee data to remain on-premises, I’d shortlist Frappe HR and OrangeHRM, with Frappe HR as my first choice for most organizations.\n\n- Frappe HR — Best overall. Fully open-source under GPL-3.0, actively maintained, self-hostable, and fairly comprehensive: employee lifecycle, leave, attendance, expenses, performance/appraisals, payroll, recruiting, onboarding","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":89,"end":95,"name":"Frappe"},{"start":103,"end":112,"name":"OrangeHRM"},{"start":119,"end":125,"name":"Frappe"},{"start":175,"end":181,"name":"Frappe"}]},{"engine":"openai","answered_on":"2026-08-18","prompt_intent":"best_in_category","excerpt":"For a mid-size company, I’d put Frappe HR at the top of the self-hosted shortlist, especially if leave, payroll, and performance reviews all need to live in one system.\n\nMy shortlist:\n\n- Frappe HR — Best overall. Fully open source and explicitly supports self-hosting. It has leave/attendance, payroll, employee self-service, appraisal cycles, goals/KRAs, self-appraisals, 360° feedback, workflows, a","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":32,"end":38,"name":"Frappe"},{"start":187,"end":193,"name":"Frappe"}]}]},{"engine":"perplexity","count":2,"withheld":true,"answers":[{"engine":"perplexity","answered_on":"2026-08-18","prompt_intent":"best_in_category","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-08-18","prompt_intent":"best_in_category","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]}]}]}