Open-source alternatives to Notion

Productivity & Notes · 4 free & open-source options

Looking to replace Notion with something free and open-source? These 4 tools are the best open alternatives in 2026 — most are self-hostable, so you keep full control of your data and pay no subscription.

AppFlowy ›AGPL-3.0
Privacy-first Notion alternative with docs, boards and databases.
Fast team knowledge base and wiki with real-time editing.
Docmost ›AGPL-3.0
Self-hosted collaborative wiki and documentation with permissions.
AnyType ›Custom (open)
Local-first, end-to-end encrypted everything-app.

At a glance: how they compare

Click a column to sort — the best one depends on what matters to you.

AlternativeStarsLanguageLicenseLast commitIn one line
AppFlowyAGPL-3.0Privacy-first Notion alternative with docs, boards and databases.
OutlineBSL-1.1Fast team knowledge base and wiki with real-time editing.
DocmostAGPL-3.0Self-hosted collaborative wiki and documentation with permissions.
AnyTypeCustom (open)Local-first, end-to-end encrypted everything-app.

Which one should you pick?

AppFlowy

Privacy-first Notion alternative with docs, boards and databases. Its AGPL-3.0 license keeps the project and its forks open-source forever, and commercial use is allowed. Because it is self-hostable, your data can stay entirely on your own infrastructure.

Outline

Fast team knowledge base and wiki with real-time editing. Its BSL-1.1 license is permissive — free to use commercially, embed and modify. Because it is self-hostable, your data can stay entirely on your own infrastructure.

Docmost

Self-hosted collaborative wiki and documentation with permissions. Its AGPL-3.0 license keeps the project and its forks open-source forever, and commercial use is allowed. Because it is self-hostable, your data can stay entirely on your own infrastructure.

AnyType

Local-first, end-to-end encrypted everything-app. Its Custom (open) license is permissive — free to use commercially, embed and modify. Because it is self-hostable, your data can stay entirely on your own infrastructure.

Switching from Notion without the drama

  1. Export your data from Notion first — most tools above can import standard formats.
  2. Run your top pick in parallel for a week or two before committing; self-hosted options can be tried locally in minutes.
  3. Migrate one team or one project at a time, keeping the old account read-only until everything checks out.

FAQ

What is the best open-source alternative to Notion?

The top open-source alternative is AppFlowy — Privacy-first Notion alternative with docs, boards and databases. The full ranked list is above.

Are these Notion 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 Notion?

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

More open-source alternatives

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