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Confluence alternatives · Docs & Wikis

Open-source alternatives to Confluence

Confluence is not described as open source on its own site. 15 of the 51 other docs and wiki tools in this directory are open source, according to their own sites.

Confluence has a free plan. Paid plans start at $6.70 per user / month, billed monthly (first 100 users). All of them are free or have a free plan.

15 tools · Listings checked up to Oct 9, 2026 · Where the facts come from

The 12 closest to Confluence

  1. BlueSpice

    Open-source enterprise wiki built on MediaWiki

    • BlueSpice starts at $1,620 per year for up to 25 users, cloud-hosted (about $5.40 per user / month). Confluence starts at $6.70 per user / month, billed monthly (first 100 users).
    • Only Confluence lists iOS and Android apps.
    • BlueSpice is open source and self-hostable, according to its own site.
    • BlueSpice also covers diagrams and forms.
    BlueSpice vs ConfluenceBlueSpice pricing and details

  2. Docmost

    Open-source collaborative wiki you deploy on your own servers

    • Docmost starts at $6 per seat / month, billed annually (Business, 10-seat minimum). Confluence starts at $6.70 per user / month, billed monthly (first 100 users).
    • Only Confluence lists iOS and Android apps.
    • Docmost is open source and self-hostable, according to its own site.
    • Docmost also covers AI search and diagrams.
    Docmost vs ConfluenceDocmost pricing and details

  3. Documize

    Self-hosted knowledge base with approvals and analytics

    • Documize starts at $900 per year for up to 100 users. Confluence starts at $6.70 per user / month, billed monthly (first 100 users).
    • Only Confluence lists iOS and Android apps.
    • Documize is open source and self-hostable, according to its own site.
    • Documize also covers reports.
    Documize vs ConfluenceDocumize pricing and details

  4. ONLYOFFICE

    Open-source office suite for documents, sheets, slides and PDFs

    • ONLYOFFICE starts at $20 per admin / month for the DocSpace Business cloud plan. Confluence starts at $6.70 per user / month, billed monthly (first 100 users).
    • Only ONLYOFFICE lists Windows, macOS and Linux apps.
    • ONLYOFFICE is open source and self-hostable, according to its own site.
    • ONLYOFFICE also covers spreadsheets and presentations.
    ONLYOFFICE pricing and details

  5. Outline

    Fast team knowledge base and wiki, cloud-hosted or self-hosted

    • Outline starts at $10 per month for a team of 1 to 10 members (cloud-hosted). Confluence starts at $6.70 per user / month, billed monthly (first 100 users).
    • Only Outline lists macOS and Windows apps.
    • Only Confluence lists iOS and Android apps.
    • Outline is open source and self-hostable, according to its own site.
    Outline pricing and details

  6. BookStack

    Free self-hosted wiki organized into books, chapters and pages

    • BookStack starts at £450 per year for an optional support plan; the software itself is free. Confluence starts at $6.70 per user / month, billed monthly (first 100 users).
    • Only Confluence lists iOS and Android apps.
    • BookStack is open source and self-hostable, according to its own site.
    • BookStack also covers Markdown and diagrams.
    BookStack pricing and details

  7. XWiki

    Open-source enterprise wiki with structured data and apps

    • XWiki starts at 309 € per year for 10 users (Starter, XWiki Cloud only). Confluence starts at $6.70 per user / month, billed monthly (first 100 users).
    • Only Confluence lists iOS and Android apps.
    • XWiki is open source and self-hostable, according to its own site.
    • Confluence also covers whiteboard, templates and documents.
    XWiki pricing and details

  8. Collabora Online

    Self-hosted, open-source office suite based on LibreOffice

    • Collabora Online starts at $3.40 per user / month on a yearly subscription (up to 99 users). Confluence starts at $6.70 per user / month, billed monthly (first 100 users).
    • Only Collabora Online lists Windows, macOS and Linux apps.
    • Collabora Online is open source and self-hostable, according to its own site.
    • Collabora Online also covers spreadsheets and presentations.
    Collabora Online pricing and details

  9. CryptPad

    End-to-end encrypted, open-source collaborative office suite

    • CryptPad starts at €5 per month, or €55 per year, for the Personal plan on cryptpad.fr. Confluence starts at $6.70 per user / month, billed monthly (first 100 users).
    • Only Confluence lists iOS and Android apps.
    • CryptPad is open source, self-hostable and end-to-end encrypted, according to its own site.
    • CryptPad also covers kanban boards and spreadsheets.
    CryptPad pricing and details

  10. Etherpad

    Open-source real-time collaborative editor you host yourself

    • Etherpad is free. Confluence starts at $6.70 per user / month, billed monthly (first 100 users).
    • Only Etherpad lists Windows, macOS and Linux apps.
    • Only Confluence lists iOS and Android apps.
    • Etherpad is open source and self-hostable, according to its own site.
    Etherpad pricing and details

  11. Wiki.js

    Open-source wiki software built on Node.js with Git sync

    • Wiki.js is free. Confluence starts at $6.70 per user / month, billed monthly (first 100 users).
    • Only Confluence lists iOS and Android apps.
    • Wiki.js is open source and self-hostable, according to its own site.
    • Wiki.js also covers Markdown and diagrams.
    Wiki.js pricing and details

  12. MediaWiki

    The free wiki software that powers Wikipedia

    • MediaWiki is free. Confluence starts at $6.70 per user / month, billed monthly (first 100 users).
    • Only Confluence lists iOS and Android apps.
    • MediaWiki is open source and self-hostable, according to its own site.
    • Confluence also covers databases, whiteboard, templates and documents.
    MediaWiki pricing and details

3 more that are open source

All 15 in one table

Common questions

Is there an open-source alternative to Confluence?

Yes. BlueSpice, Docmost, Documize, ONLYOFFICE, Outline, BookStack, XWiki, Collabora Online and 7 more are open source, according to their own sites.

Is Confluence open source?

Confluence is not described as open source on its own site. The listing was checked on Oct 5, 2026 against the pages it cites.

When was this checked?

Each listing shows its own date. On this page they run from Oct 5, 2026 to Oct 9, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Confluence: the alternatives its listing names first, then the tools that share the most features with it.