Open-source alternatives to ClickUp

Productivity & Notes · 3 free & open-source options

Looking to replace ClickUp with something free and open-source? These 3 tools are the best open alternatives in 2026 — most are self-hostable, so you keep full control of your data and pay no subscription.

Plane ›AGPL-3.0
Modern issue tracking and cycles, a JIRA-class open tool.
Full profile ›GitHub ↗
AppFlowy ›AGPL-3.0
Open Notion-style workspace with boards and documents.
Full profile ›GitHub ↗
OpenProject ›GPL-3.0
Mature project management with Gantt, agile and time tracking.
Full profile ›GitHub ↗

FAQ

What is the best open-source alternative to ClickUp?

The top open-source alternative is Plane — Modern issue tracking and cycles, a JIRA-class open tool. The full ranked list is above.

Are these ClickUp alternatives free?

Yes. Every tool listed is open-source and free to use; most can be self-hosted so you keep full control of your data.

Can I self-host an alternative to ClickUp?

Most of these tools are designed to run on your own server or machine, giving you privacy and no subscription fees.

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