20 self-hosted ClickUp alternatives

Open-source, privacy-focused collaborative workspace for notes, databases, kanban boards and AI-assisted writing; desktop, mobile and web clients with local-first storage.

76k stars5.9k forksAGPL-3.0last commit 26 Jun 2026Actively maintained

Open-source alternative to Jira/Linear for tasks, cycles, docs and analytics; offers cloud and self-hosted deployments.

58.4k stars5.5k forksAGPL-3.0last commit 26 Aug 2026Actively maintained

Huly is an open-source all-in-one platform combining project management, team chat, and collaborative documentation as an alternative to tools like Jira, Linear, Slack, and Notion.

27.5k stars2.1k forksEPL-2.0last commit 11 Aug 2026Actively maintained

Open source project management tool with boards, tasks, templates, and team collaboration—an alternative to Trello, Asana, and Notion.

26.4k stars2.6k forkslast commit 11 Jun 2025Slowing down

WeKan is an open-source Kanban board app with real-time collaboration, boards/lists/cards, access controls, and multiple deployment options like Docker.

21.1k stars3k forksMITlast commit 27 Aug 2026Actively maintained

OpenProject is an open source project management platform for planning, tracking, and collaborating on work with Gantt charts, agile boards, roadmaps, and time reporting.

15.9k stars3.4k forksGPL-3.0last commit 26 Aug 2026Actively maintained

Self-hosted, real-time Kanban board built with React and Node.js; supports collaborative boards, markdown notes, SSO, and flexible notifications.

12.5k stars1.4k forkslast commit 10 Aug 2026Actively maintained

Grist is a modern relational spreadsheet that combines spreadsheet usability with a database-style data model, supporting Python formulas, dashboards, and integrations.

11.6k stars622 forksApache-2.0last commit 24 Aug 2026Actively maintained

Leantime is an open-source, PHP-based project management system combining strategy, planning and execution with Kanban, Gantt, dashboards, wikis, time tracking and AI-assisted features.

11.5k stars1.1k forksAGPL-3.0last commit 15 Aug 2026Actively maintained

Open source Kanban project management tool with boards, tasks, WIP limits, search, and automation, designed for simple self-hosted team workflows.

9.8k stars2k forksMITlast commit 26 Aug 2026Actively maintained

Open-source, self-hostable project management with kanban/list views, GitHub sync, PostgreSQL backend and Docker/Helm deployment options.

8.6k stars716 forksMITlast commit 26 Aug 2026Actively maintained

Kan is an open-source Trello alternative for kanban boards, cards, labels, comments, and team workspaces, with Trello import and self-hosting support.

5.5k stars454 forksAGPL-3.0last commit 24 Aug 2026Actively maintained

Vikunja is an open-source to-do and task management app with projects, sharing, assignments, and multiple views like list, Kanban, Gantt, and table.

5.2k stars642 forksAGPL-3.0last commit 24 Aug 2026Actively maintained

Open-source, local-first Slack and Notion alternative combining team chat, rich docs, databases, and file management with offline-first sync and self-hosting.

5k stars314 forksApache-2.0last commit 3 Apr 2026Actively maintained

Open-source, self-hosted task and project manager with hierarchical Areas → Projects → Tasks, smart recurring tasks, Telegram and API integrations.

3.3k stars242 forksMITlast commit 21 Aug 2026Actively maintained

Open-source project management and time-tracking platform with tasks, kanban boards, resource planning, time reports and analytics; available as cloud SaaS and self-hosted.

3.2k stars362 forksAGPL-3.0last commit 24 Aug 2026Actively maintained

Open-source task and chore manager for individuals and groups featuring natural-language scheduling, assignee rotation, NFC triggers, REST API, and S3-compatible storage.

2.5k stars193 forksAGPL-3.0last commit 18 Aug 2026Actively maintained

Self-hosted kanban-style task board that stores lanes as folders and tasks as Markdown files, with tags, theming, reverse-proxy support, and optional PWA install.

2.2k stars105 forksMITlast commit 25 Feb 2026Slowing down

Open source agile project management tool with Scrum and Kanban boards, issue tracking, backlog planning, and team collaboration features.

2.1k stars520 forksMPL-2.0last commit 13 Oct 2025Slowing down

ZenTao is an open source project management system for agile teams, combining product planning, Scrum/Kanban execution, bug tracking, testing, docs, and reporting.

1.7k stars406 forkslast commit 21 Aug 2026Actively maintained