Notion

Sure, Notion Notion is awesome.

But have you considered these open source alternatives?

They are free, self-hostable and community-driven.

Check by yourself: Appflowy  Appflowy , AFFiNE  Affine ,  NocoDB ,  Docmost ,  Colanode (server) .

  1. So is Appflowy Appflowy

    Collaborative workspace (Linux only)

    ★ 65.7K Knowledge base Note-taking Collaboration License: AGPL-3.0

    AppFlowy is the AI workspace where you achieve more without losing control of your data

    AppFlowy Kanban Board for To-dos

  2. So is AFFiNE Affine

    Collaborative workspace for your knowledge base

    ★ 55.4K Knowledge base Note-taking Collaboration Whiteboard License: MIT

    This is the Community Edition of Affine.

  3. So is NocoDB

    Open-source Airtable alternative

    ★ 57.8K Database Data Spreadsheet License: AGPL-3.0

    NocoDB is the fastest and easiest way to build databases online.

  4. So is Docmost

    Collaborative wiki and documentation software

    ★ 17.3K Wiki Knowledge base Collaboration License: AGPL-3.0

    Open-source collaborative wiki and documentation software.

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  5. So is Colanode (server)

    Collaboration workspace

    ★ 3.5K Knowledge base Note-taking Collaboration Messaging License: Apache-2.0

    Colanode is an all-in-one platform for easy collaboration, built to prioritize your data privacy and control. Designed with a local-first approach, it helps teams communicate, organize, and manage projects—whether online or offline. With Colanode, you get the flexibility of modern collaboration tools, plus the peace of mind that comes from owning your data.

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