{"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":"2026-08-15","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":28,"limit":50,"truncated":false,"engines":[{"engine":"gemini","count":7,"withheld":false,"answers":[{"engine":"gemini","answered_on":"2026-08-15","prompt_intent":"best_in_category","excerpt":"For a remote engineering team seeking an open-source project management tool, several strong contenders offer a range of features to support agile workflows, collaboration, and development processes. The best choice often depends on the team's specific needs regarding workflow complexity, desired features, and hosting preferences.\n\nHere are some of the top open-source project management tools well","excerpt_withheld":false,"withheld_reason":null,"highlights":[]},{"engine":"gemini","answered_on":"2026-08-15","prompt_intent":"best_in_category","excerpt":"For agencies seeking self-hosted project management software with client-facing boards, **Worklenz** stands out as a strong option. It is specifically designed for agencies and offers a dedicated \"Client portal\" that allows clients to \"see progress anytime, so you can skip the endless status updates.\" Worklenz is free, open-source, and provides self-hosting capabilities for complete data control.","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":90,"end":98,"name":"Worklenz"},{"start":303,"end":311,"name":"Worklenz"}]},{"engine":"gemini","answered_on":"2026-08-15","prompt_intent":"best_in_category","excerpt":"For non-profit organizations operating on a zero-software budget, several excellent self-hosted, open-source project management solutions are available. These tools eliminate licensing fees, with the only costs incurred being for hosting and maintenance.\n\nHere are some of the best options:\n\n*   **OpenProject** is a comprehensive, open-source project management platform that offers a wide range of","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":298,"end":309,"name":"OpenProject"}]},{"engine":"gemini","answered_on":"2026-08-15","prompt_intent":"recommendation","excerpt":"For self-hosted project management tools that include Kanban, Gantt, and time tracking, consider the following options:\n\n*   **Vikunja** is an open-source task management tool that supports Kanban, Gantt, and lists, and is designed for self-hosting.\n*   **OpenProject** is an open-source solution that caters to classic, agile, or hybrid project management. It includes features like task management,","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":127,"end":134,"name":"Vikunja"},{"start":256,"end":267,"name":"OpenProject"}]},{"engine":"gemini","answered_on":"2026-08-15","prompt_intent":"recommendation","excerpt":"For a 100-person product company seeking a scalable open-source project management platform, **OpenProject** and **Plane** emerge as strong contenders, offering robust features tailored for product development and demonstrable scalability. **Redmine** also presents a highly customizable option, though it may require more technical expertise.\n\n**OpenProject** is an established open-source solution","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":95,"end":106,"name":"OpenProject"},{"start":115,"end":120,"name":"Plane"},{"start":242,"end":249,"name":"Redmine"},{"start":347,"end":358,"name":"OpenProject"}]},{"engine":"gemini","answered_on":"2026-08-15","prompt_intent":"alternatives","excerpt":"For organizations seeking robust and flexible project management solutions without the proprietary constraints of popular enterprise suites, a variety of open-source alternatives offer powerful features and customization options. These tools cater to different methodologies, team sizes, and specific business needs.\n\nHere are some notable open-source project management alternatives:\n\n*   **OpenProj","excerpt_withheld":false,"withheld_reason":null,"highlights":[]},{"engine":"gemini","answered_on":"2026-08-15","prompt_intent":"problem_solving","excerpt":"Moving your team from a cloud-based project management (PM) tool to a self-hosted open-source alternative offers numerous advantages, primarily centered around greater control, flexibility, and data ownership. This transition can empower your organization with enhanced security, customization, and cost management.\n\n### Why Make the Switch?\n\nOrganizations typically opt for self-hosted open-source P","excerpt_withheld":false,"withheld_reason":null,"highlights":[]}]},{"engine":"grok","count":7,"withheld":true,"answers":[{"engine":"grok","answered_on":"2026-08-15","prompt_intent":"best_in_category","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"grok","answered_on":"2026-08-15","prompt_intent":"best_in_category","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"grok","answered_on":"2026-08-15","prompt_intent":"best_in_category","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"grok","answered_on":"2026-08-15","prompt_intent":"recommendation","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"grok","answered_on":"2026-08-15","prompt_intent":"recommendation","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"grok","answered_on":"2026-08-15","prompt_intent":"alternatives","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"grok","answered_on":"2026-08-15","prompt_intent":"problem_solving","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]}]},{"engine":"openai","count":7,"withheld":false,"answers":[{"engine":"openai","answered_on":"2026-08-15","prompt_intent":"best_in_category","excerpt":"For a remote engineering team in 2026, I’d start with Plane.\n\nPlane is probably the closest open-source equivalent to Linear/Jira for software teams. It has issues, cycles/sprints, modules, views, docs, GitHub integration, APIs/webhooks, and both Docker/Kubernetes self-hosting. Its Community Edition is AGPL-3.0. ([plane.so](https://plane.so/self-hosted?utm_source=openai))\n\nMy shortlist would be:","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":54,"end":59,"name":"Plane"},{"start":62,"end":67,"name":"Plane"},{"start":118,"end":124,"name":"Linear"},{"start":125,"end":129,"name":"Jira"},{"start":247,"end":253,"name":"Docker"},{"start":254,"end":264,"name":"Kubernetes"},{"start":316,"end":321,"name":"Plane"},{"start":334,"end":339,"name":"Plane"}]},{"engine":"openai","answered_on":"2026-08-15","prompt_intent":"best_in_category","excerpt":"For an agency, I’d narrow the field to Plane, OpenProject, and Leantime. The important distinction is that “supports external users” is not necessarily the same thing as having a polished client portal.\n\n- Plane — best overall if you want a modern, Linear/ClickUp-like experience. It is actively developed and has an official self-hosted edition. Its current product includes guest access, intake for","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":39,"end":44,"name":"Plane"},{"start":46,"end":57,"name":"OpenProject"},{"start":63,"end":71,"name":"Leantime"},{"start":206,"end":211,"name":"Plane"},{"start":249,"end":255,"name":"Linear"},{"start":256,"end":263,"name":"ClickUp"}]},{"engine":"openai","answered_on":"2026-08-15","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 software fees, although you still need somewhere to run them and someone to maintain backups/security.\n\n- OpenProject Community Edition — best overall for a conventional nonprofit. It supports unlimited users/projects and is explicitly free and","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":261,"end":272,"name":"OpenProject"}]},{"engine":"openai","answered_on":"2026-08-15","prompt_intent":"recommendation","excerpt":"For those three requirements specifically—Kanban, Gantt, and time tracking—I’d start with OpenProject.\n\n- OpenProject — Best overall fit. It has proper Kanban/agile boards, fairly sophisticated Gantt charts with task dependencies, and built-in time tracking/timesheets. The Community Edition is open source and designed for self-hosting. It also handles milestones, calendars, costs, project hierarch","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":90,"end":101,"name":"OpenProject"},{"start":106,"end":117,"name":"OpenProject"}]},{"engine":"openai","answered_on":"2026-08-15","prompt_intent":"recommendation","excerpt":"For a 100-person product company, I’d choose OpenProject as the safest overall open-source option.\n\nIt has a particularly clear scaling story: OpenProject’s current guidance puts deployments of up to 200 users on a single server with roughly 4 CPU cores, 4 GB RAM, and 20 GB storage. More importantly, it documents horizontal scaling via separate web/background workers, PostgreSQL, shared storage, a","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":45,"end":56,"name":"OpenProject"},{"start":143,"end":154,"name":"OpenProject"}]},{"engine":"openai","answered_on":"2026-08-15","prompt_intent":"alternatives","excerpt":"If you're looking to replace enterprise PM/work-management suites such as Jira, Asana, Monday.com, ClickUp, or Microsoft Project with open-source/self-hosted software, these are the strongest options to investigate in 2026:\n\n- OpenProject — Probably the closest fit to a traditional enterprise PM suite. It supports Gantt charts, task/work-package tracking, agile boards, time tracking, roadmaps, and","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":74,"end":78,"name":"Jira"},{"start":80,"end":85,"name":"Asana"},{"start":87,"end":97,"name":"Monday.com"},{"start":99,"end":106,"name":"ClickUp"},{"start":111,"end":120,"name":"Microsoft"},{"start":227,"end":238,"name":"OpenProject"}]},{"engine":"openai","answered_on":"2026-08-15","prompt_intent":"problem_solving","excerpt":"Treat it as a migration project, not just a software install. The safest pattern is “inventory → pilot → migrate → parallel run → cutover → archive.”\n\n1. Pick the replacement based on your actual workflows. Export a list of what you use today: tasks/issues, custom fields, boards, sprints, dependencies, docs, attachments, comments, automations, time tracking, SSO, integrations, guest users, and rep","excerpt_withheld":false,"withheld_reason":null,"highlights":[]}]},{"engine":"perplexity","count":7,"withheld":true,"answers":[{"engine":"perplexity","answered_on":"2026-08-15","prompt_intent":"best_in_category","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-08-15","prompt_intent":"best_in_category","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-08-15","prompt_intent":"best_in_category","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-08-15","prompt_intent":"recommendation","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-08-15","prompt_intent":"recommendation","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-08-15","prompt_intent":"alternatives","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]},{"engine":"perplexity","answered_on":"2026-08-15","prompt_intent":"problem_solving","excerpt":null,"excerpt_withheld":true,"withheld_reason":"source_terms","highlights":[]}]}]}