{"category":{"slug":"open-source-project-management","label":"Open-source project management software"},"methodology_url":"https://www.orbator.io/ai-index/methodology","license":"Free to use with attribution to orbator.io","date":"2026-09-05","engine":null,"available_dates":["2026-09-06","2026-09-05","2026-08-16","2026-08-15","2026-08-09","2026-08-08","2026-08-07","2026-07-29","2026-07-26","2026-07-25","2026-07-22","2026-07-21","2026-07-02","2026-07-01","2026-06-23","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":"2026-09-05","prompt_intent":"best_in_category","excerpt":"For remote engineering teams seeking robust and flexible project management, several open-source tools offer powerful features, customization, and data control. The best choice often depends on the team's specific workflow, preferred methodologies (Agile, Scrum, Kanban, Waterfall), and hosting requirements.\n\nHere are some of the top open-source project management tools recommended for remote engin","excerpt_withheld":false,"withheld_reason":null,"highlights":[]},{"engine":"gemini","answered_on":"2026-09-05","prompt_intent":"best_in_category","excerpt":"For agencies seeking self-hosted project management software with robust client-facing boards, several strong contenders offer the necessary features for collaboration, transparency, and control over sensitive project data.\n\nHere are some of the best self-hosted project management software options that cater to agencies requiring client-facing boards:\n\n*   **Worklenz** stands out as a free, open-s","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":361,"end":369,"name":"Worklenz"}]},{"engine":"gemini","answered_on":"2026-09-05","prompt_intent":"best_in_category","excerpt":"For a non-profit organization operating on a zero software budget, several excellent open-source and free self-hosted project management tools are available. These options eliminate licensing costs, with the primary expenses being related to hosting infrastructure and maintenance, which the organization would manage directly.\n\nHere are some of the best self-hosted project management options, categ","excerpt_withheld":false,"withheld_reason":null,"highlights":[]},{"engine":"gemini","answered_on":"2026-09-05","prompt_intent":"recommendation","excerpt":"When choosing a self-hosted project management tool that includes Kanban, Gantt charts, and time tracking, several robust open-source options are available:\n\n*   **OpenProject** is a comprehensive open-source project management platform that combines classic Gantt-based planning with Agile boards like Kanban and Scrum. It includes work packages, timelines, cost reporting, and built-in time trackin","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":164,"end":175,"name":"OpenProject"}]},{"engine":"gemini","answered_on":"2026-09-05","prompt_intent":"recommendation","excerpt":"For a 100-person product company seeking a scalable open-source project management platform, several robust options stand out due to their feature sets, flexibility, and ability to handle larger teams and complex projects.\n\n**OpenProject** is frequently recommended as a comprehensive choice for agile and traditional project management, well-suited for organizations that require structured workflow","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":226,"end":237,"name":"OpenProject"}]},{"engine":"gemini","answered_on":"2026-09-05","prompt_intent":"alternatives","excerpt":"Many open-source project management solutions offer robust features that can serve as effective alternatives to popular enterprise project management suites. These tools often provide flexibility, data sovereignty, and a strong community for support and development.\n\nHere are some notable open-source project management alternatives:\n\n*   **OpenProject**\n    *   **Key Features**: OpenProject is a l","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":342,"end":353,"name":"OpenProject"},{"start":382,"end":393,"name":"OpenProject"}]},{"engine":"gemini","answered_on":"2026-09-05","prompt_intent":"problem_solving","excerpt":"Moving your team from a cloud-based project management (PM) tool to a self-hosted open-source alternative offers greater control and flexibility. This transition is often driven by a desire for data ownership, enhanced security and compliance, deep customization options, better integration with internal systems, and predictable long-term costs.\n\n### Why Make the Switch?\n\nOrganizations choose self-","excerpt_withheld":false,"withheld_reason":null,"highlights":[]}]},{"engine":"openai","count":7,"withheld":false,"answers":[{"engine":"openai","answered_on":"2026-09-05","prompt_intent":"best_in_category","excerpt":"For a remote engineering team in 2026, I'd start with Plane.\n\nPlane is essentially an open-source, self-hostable alternative to Linear/Jira, with a UI and workflow geared toward software teams. Its Community Edition is AGPL-3.0 and supports self-hosting via Docker/Kubernetes. It has issues/work items, cycles/sprints, modules, views, APIs/webhooks, and integrations with developer tooling such as Gi","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":54,"end":59,"name":"Plane"},{"start":62,"end":67,"name":"Plane"},{"start":128,"end":134,"name":"Linear"},{"start":135,"end":139,"name":"Jira"},{"start":258,"end":264,"name":"Docker"},{"start":265,"end":275,"name":"Kubernetes"}]},{"engine":"openai","answered_on":"2026-09-05","prompt_intent":"best_in_category","excerpt":"For an agency where clients need to see and interact with project boards, I’d shortlist these:\n\n- Vikunja — best if the client-facing board itself is the priority. You can self-host it and share individual projects through password-protected links without requiring the client to create an account. Links can be read-only or read/write, and projects support Kanban, list, table, and Gantt views. That","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":98,"end":105,"name":"Vikunja"}]},{"engine":"openai","answered_on":"2026-09-05","prompt_intent":"best_in_category","excerpt":"For a nonprofit with a genuinely $0 software-license budget, I’d shortlist OpenProject, Plane, Vikunja, and Taiga. All can be self-hosted without per-user license fees, although you still need somewhere to run them and someone to maintain backups and updates.\n\n- OpenProject Community Edition — best overall for a traditional nonprofit. It supports unlimited users/projects and includes project plann","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":75,"end":86,"name":"OpenProject"},{"start":88,"end":93,"name":"Plane"},{"start":95,"end":102,"name":"Vikunja"},{"start":108,"end":113,"name":"Taiga"},{"start":263,"end":274,"name":"OpenProject"}]},{"engine":"openai","answered_on":"2026-09-05","prompt_intent":"recommendation","excerpt":"For those three requirements specifically—self-hosted + Kanban + Gantt + time tracking—I’d start with OpenProject.\n\n- OpenProject — Best overall fit. It has proper Gantt/project scheduling, Kanban/agile boards, task dependencies, milestones, and built-in time tracking/reporting. The Community Edition is free, open source, and self-hostable. It feels more like a full project-management system than","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":102,"end":113,"name":"OpenProject"},{"start":118,"end":129,"name":"OpenProject"}]},{"engine":"openai","answered_on":"2026-09-05","prompt_intent":"recommendation","excerpt":"For a 100-person product company, I’d put OpenProject first if “scales best” means organizational scale, reliability, permissions, and room to grow.\n\nOpenProject has unusually strong evidence of technical scalability for an open-source PM system: its official documentation covers Kubernetes deployments and configurations ranging all the way to roughly 80,000–100,000 users. A 100-person organizatio","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":42,"end":53,"name":"OpenProject"},{"start":150,"end":161,"name":"OpenProject"},{"start":281,"end":291,"name":"Kubernetes"}]},{"engine":"openai","answered_on":"2026-09-05","prompt_intent":"alternatives","excerpt":"If you mean self-hostable/open-source alternatives to tools like Jira, Asana, Monday.com, ClickUp, or Linear, some notable options are:\n\n- OpenProject — One of the more complete Jira/MS Project-style alternatives. Strong for classic project management, Gantt charts, roadmaps, time tracking, agile boards, and larger organizations.\n- Plane — Modern issue/project tracker with a Linear-like interface.","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":65,"end":69,"name":"Jira"},{"start":71,"end":76,"name":"Asana"},{"start":78,"end":88,"name":"Monday.com"},{"start":90,"end":97,"name":"ClickUp"},{"start":102,"end":108,"name":"Linear"},{"start":139,"end":150,"name":"OpenProject"},{"start":178,"end":182,"name":"Jira"},{"start":334,"end":339,"name":"Plane"},{"start":378,"end":384,"name":"Linear"}]},{"engine":"openai","answered_on":"2026-09-05","prompt_intent":"problem_solving","excerpt":"Treat it as a migration project rather than just a software install. The hard parts are usually preserving data, integrations, permissions, and team workflows.\n\nA practical sequence is:\n\n- Inventory your current PM tool: projects, users, roles, custom fields, attachments, comments, automations, integrations, dashboards, and anything that must be retained for compliance.\n- Define requirements befor","excerpt_withheld":false,"withheld_reason":null,"highlights":[]}]},{"engine":"perplexity","count":7,"withheld":true,"answers":[{"engine":"perplexity","answered_on":"2026-09-05","prompt_intent":"best_in_category","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-09-05","prompt_intent":"best_in_category","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-09-05","prompt_intent":"best_in_category","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-09-05","prompt_intent":"recommendation","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-09-05","prompt_intent":"recommendation","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-09-05","prompt_intent":"alternatives","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-09-05","prompt_intent":"problem_solving","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]}]}]}