can i fork it?
🧠 notes & knowledge

Obsidian costs $10/mo.
These cost $0.

18 free alternatives to Obsidian, checked for license, recent activity and real adoption. Each one tells you the catch, so you can switch with your eyes open.

⚑ Quick Verdict · 2027 Guide

The top-rated free, open-source replacement for Obsidian is Macro Docs (Open Source Open Source). Across this category, 10 self-hostable tools are available (including Memos and Joplin). Switching a 5-person team saves up to $600/year compared to Obsidian's $10/mo subscription.

The catch: Community-driven open source project without dedicated enterprise SLAs.

Obsidian vs Free Alternatives

Quick side-by-side comparison Β· $0/mo vs $10/mo

AlternativeTypeLicenseWhere It RunsStarsHead-to-Head
Macro Docsopen sourceOpen SourceLocalβ˜… 6.2kObsidian vs Macro Docs β†’
Memosopen sourceOpen SourceSelf-hostβ˜… 64.3kObsidian vs Memos β†’
Joplinopen sourceAGPL-3.0+Self-hostβ˜… 57.1kObsidian vs Joplin β†’
SiYuanopen sourceAGPL-3.0Self-hostβ˜… 47.1kObsidian vs SiYuan β†’
Logseqopen sourceAGPL-3.0Self-hostβ˜… 45.5kObsidian vs Logseq β†’
Tolariaopen sourceOpen SourceLocalβ˜… 20.5kObsidian vs Tolaria β†’
Docmostopen sourceAGPL-3.0Self-hostβ˜… 22.3kObsidian vs Docmost β†’
Notesnookopen sourceOpen SourceSelf-hostβ˜… 14.9kObsidian vs Notesnook β†’
Blinkoopen sourceOpen SourceSelf-hostβ˜… 11.2kObsidian vs Blinko β†’
AnyTypeopen sourceOpen SourceLocalβ˜… 9.1kObsidian vs AnyType β†’
Silverbulletopen sourceOpen SourceSelf-hostβ˜… 6.5kObsidian vs Silverbullet β†’
Standard Notesopen sourceOpen SourceSelf-hostβ˜… 6.7kObsidian vs Standard Notes β†’
XWikiopen sourceOpen SourceSelf-hostβ˜… 1.3kObsidian vs XWiki β†’
Beaver Notesopen sourceOpen SourceLocalβ˜… 1.4kObsidian vs Beaver Notes β†’
Darkwriteopen sourceOpen SourceLocalβ˜… 320Obsidian vs Darkwrite β†’
OpenNotasopen sourceOpen SourceLocalβ˜… 179Obsidian vs OpenNotas β†’
Justnoteopen sourceOpen SourceLocalβ˜… 67Obsidian vs Justnote β†’
Koruopen sourceOpen SourceLocalβ˜… 33Obsidian vs Koru β†’

The picks

18 open source Β· ranked by fit

  1. 01

    Macro Docs

    open sourceOpen SourceLocal
    6.2knov 2026

    Collaborative markdown documents with real-time CRDT editing, AI agent cursors, mention linking, and built-in properties tied to your tasks, channels, and email.

    The catch vs Obsidian

    Community-driven open source project without dedicated enterprise SLAs.

    Install, platforms & data +
    platforms
    desktopcross-platformone-click install
    install
    Clone https://github.com/macro-inc/macro or deploy with Docker Compose
    setup
    Download the native package or installer for your operating system.
    your data
    All application data lives locally on your own machine.
    checked
    2026-11-07
  2. 02

    Memos

    open sourceOpen SourceSelf-host
    64.3knov 2026

    Memos is a self-hosted, open-source note-taking app built around a private timeline. Write in Markdown, skip the folder setup, and keep your data on your own server.

    The catch vs Obsidian

    Requires self-hosting setup, updates, and server maintenance compared to managed Obsidian.

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Clone https://github.com/usememos/memos or deploy with Docker Compose
    setup
    Deploy via Docker or binary release from GitHub and configure environment variables.
    your data
    All application data and configuration live on your own server or local database.
    checked
    2026-11-07
  3. 03

    Joplin

    open sourceAGPL-3.0+Self-host
    57.1knov 2026

    Cross-platform note-taking app with end-to-end encryption, Markdown support, web clipping, and sync via Dropbox, OneDrive, or Joplin Cloud.

    The catch vs Obsidian

    It is more portable and configurable, but its interface and editing experience feel less native and polished on Apple devices than Bear's.

    Install, platforms & data +
    platforms
    desktopmobilecliextensionone-click install
    install
    Install the native desktop/mobile app; then optionally choose Joplin Cloud, a third-party sync target, or a self-hosted Joplin Server
    setup
    The app itself installs cleanly, but free multi-device use requires choosing and correctly configuring a sync target; enabling E2EE must start on one device and the master-key password cannot be recovered
    engines
    Optional desktop AI connects to Joplin Cloud AI, Anthropic, or any OpenAI-compatible endpoint including OpenAI, Ollama, LM Studio, OpenRouter, and vLLM; semantic search uses a downloaded local embedding model
    your data
    Each device keeps a local `database.sqlite` with notes, notebooks, tags, metadata, sync state, and encryption keys plus a `resources/` attachment directory; configured sync targets receive Joplin item records/resources, optionally end-to-end encrypted
    checked
    2026-11-07
  4. 04

    SiYuan

    open sourceAGPL-3.0Self-host
    47.1knov 2026

    Personal knowledge management system with WYSIWYG block editing, bidirectional links, spaced repetition flashcards, a relational database, and end-to-end encrypted sync.

    The catch vs Obsidian

    SiYuan is a powerful local block database but lacks Anytype's encrypted peer-to-peer spaces, object-type UX, and relationship-centric collections.

    Install, platforms & data +
    platforms
    desktopmobileself-hostedextensionone-click install
    install
    Desktop/mobile package, or Docker image for browser-based self-hosting
    setup
    The desktop app installs cleanly, but free cross-device sync is not a turnkey feature: official cloud sync is a paid membership feature and Docker hosting does not transparently become desktop/mobile sync
    engines
    Built-in AI features connect to OpenAI-compatible APIs using a configured endpoint and key
    your data
    A workspace stores block documents as structured .sy JSON files plus assets on disk; SQLite files hold indexes and auxiliary state; documents can export to Markdown, HTML, PDF, and Word
    checked
    2026-11-07
  5. 05

    Logseq

    open sourceAGPL-3.0Self-host
    45.5knov 2026

    Local-first, open-source knowledge management tool with bidirectional linking, outlines, flashcards, PDF annotations, and whiteboards for building a connected second brain.

    The catch vs Obsidian

    Its links and whiteboards are powerful, but whiteboard polish, mobile experience, and performance are rougher, while the newer database path still carries beta risk.

    Install, platforms & data +
    platforms
    desktopmobileone-click install
    install
    Download the desktop/mobile release or use the hosted web app; no server is required for a local graph
    setup
    Stable local installation is simple, but the visually stronger DB graph/RTC path is still beta or alpha and explicitly carries data-loss warnings; free cross-device file-graph sync requires choosing and safely operating a third-party file-sync method
    your data
    Classic file graphs are folders of Markdown or Org-mode files plus Logseq configuration/cache files and can be synced with a file service; the newer DB graph stores the graph in a local SQLite database, while optional Logseq Sync/RTC sends graph data to Logseq's service
    checked
    2026-11-07
  6. 06

    Tolaria

    open sourceOpen SourceLocal
    20.5knov 2026

    A free, open source note-taking app built on plain Markdown files, Git version control, and direct AI model integration. No account required.

    The catch vs Obsidian

    Community-driven open source project without dedicated enterprise SLAs.

    Install, platforms & data +
    platforms
    desktopcross-platformone-click install
    install
    Clone https://github.com/refactoringhq/tolaria or deploy with Docker Compose
    setup
    Download the native package or installer for your operating system.
    your data
    All application data lives locally on your own machine.
    checked
    2026-11-07
  7. 07

    Docmost

    open sourceAGPL-3.0Self-host
    22.3knov 2026

    Self-hosted wiki platform for enterprise teams with real-time collaboration, built-in AI, SSO, RBAC permissions, and compliance support for ITAR, FedRAMP, and GDPR.

    The catch vs Obsidian

    It is simpler and faster, but has fewer enterprise macros, workflow controls, templates, marketplace integrations and Jira-native connections than Confluence.

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Hosted signup or Docker Compose with PostgreSQL and Redis
    setup
    Self-hosting requires Docker, a strong APP_SECRET, database credentials, persistent volumes, and normally a domain, TLS reverse proxy, and SMTP
    your data
    Pages, users, comments, and history in PostgreSQL; jobs/cache in Redis; attachments in a persistent local volume by default or S3/Azure Blob
    checked
    2026-11-07
  8. 08

    Notesnook

    open sourceOpen SourceSelf-host
    14.9knov 2026

    End-to-end encrypted note-taking app with zero-knowledge architecture, cross-device sync, web clipper, and a self-hostable sync server.

    The catch vs Obsidian

    Requires self-hosting setup, updates, and server maintenance compared to managed Obsidian.

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Clone https://github.com/streetwriters/notesnook or deploy with Docker Compose
    setup
    Deploy via Docker or binary release from GitHub and configure environment variables.
    your data
    All application data and configuration live on your own server or local database.
    checked
    2026-11-07
  9. 09

    Blinko

    open sourceOpen SourceSelf-host
    11.2knov 2026

    The next generation of open-source AI-powered card notes designed to help you quickly capture and organize inspiration so that ideas never run out.

    The catch vs Obsidian

    Requires self-hosting setup, updates, and server maintenance compared to managed Obsidian.

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Clone https://github.com/blinko-space/blinko or deploy with Docker Compose
    setup
    Deploy via Docker or binary release from GitHub and configure environment variables.
    your data
    All application data and configuration live on your own server or local database.
    checked
    2026-11-07
  10. 10

    AnyType

    open sourceOpen SourceLocal
    9.1knov 2026

    A local-first, encrypted workspace for notes, tasks, databases, and chats. Your data stays on your device, syncs peer-to-peer, and never passes through a central server.

    The catch vs Obsidian

    Community-driven open source project without dedicated enterprise SLAs.

    Install, platforms & data +
    platforms
    desktopcross-platformone-click install
    install
    Clone https://github.com/anyproto/anytype-ts or deploy with Docker Compose
    setup
    Download the native package or installer for your operating system.
    your data
    All application data lives locally on your own machine.
    checked
    2026-11-07
  11. 11

    Silverbullet

    open sourceOpen SourceSelf-host
    6.5knov 2026

    A self-hosted, browser-based note-taking system that turns plain Markdown pages into a queryable, scriptable knowledge base you control.

    The catch vs Obsidian

    Requires self-hosting setup, updates, and server maintenance compared to managed Obsidian.

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Clone https://github.com/silverbulletmd/silverbullet or deploy with Docker Compose
    setup
    Deploy via Docker or binary release from GitHub and configure environment variables.
    your data
    All application data and configuration live on your own server or local database.
    checked
    2026-11-07
  12. 12

    Standard Notes

    open sourceOpen SourceSelf-host
    6.7knov 2026

    Cross-platform note-taking app with end-to-end encryption, offline access, and powerful organization features for privacy-conscious users.

    The catch vs Obsidian

    Requires self-hosting setup, updates, and server maintenance compared to managed Obsidian.

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Clone https://github.com/standardnotes/app or deploy with Docker Compose
    setup
    Deploy via Docker or binary release from GitHub and configure environment variables.
    your data
    All application data and configuration live on your own server or local database.
    checked
    2026-11-07
  13. 13

    XWiki

    open sourceOpen SourceSelf-host
    1.3knov 2026

    XWiki is a flexible, feature-rich wiki software that helps organizations structure and share knowledge efficiently.

    The catch vs Obsidian

    Requires self-hosting setup, updates, and server maintenance compared to managed Obsidian.

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Clone https://github.com/xwiki/xwiki-platform or deploy with Docker Compose
    setup
    Deploy via Docker or binary release from GitHub and configure environment variables.
    your data
    All application data and configuration live on your own server or local database.
    checked
    2026-11-07
  14. 14

    Beaver Notes

    open sourceOpen SourceLocal
    1.4knov 2026

    A privacy-focused, offline-first note-taking app that stores everything on your device, with Markdown, note linking, file attachments, LaTeX math, and bring-your-own sync.

    The catch vs Obsidian

    Community-driven open source project without dedicated enterprise SLAs.

    Install, platforms & data +
    platforms
    desktopcross-platformone-click install
    install
    Clone https://github.com/beaver-notes/beaver-notes or deploy with Docker Compose
    setup
    Download the native package or installer for your operating system.
    your data
    All application data lives locally on your own machine.
    checked
    2026-11-07
  15. 15

    Darkwrite

    open sourceOpen SourceLocal
    320nov 2026

    A customizable, offline-first note editor that lets you format text, create lists, add images, and export to HTML - all while maintaining your privacy.

    The catch vs Obsidian

    Community-driven open source project without dedicated enterprise SLAs.

    Install, platforms & data +
    platforms
    desktopcross-platformone-click install
    install
    Clone https://github.com/astudentinearth/darkwrite or deploy with Docker Compose
    setup
    Download the native package or installer for your operating system.
    your data
    All application data lives locally on your own machine.
    checked
    2026-11-07
  16. 16

    OpenNotas

    open sourceOpen SourceLocal
    179nov 2026

    OpenNotas is a multi-platform, end-to-end encrypted note-taking app that offers simplicity, synchronization, and offline functionality.

    The catch vs Obsidian

    Community-driven open source project without dedicated enterprise SLAs.

    Install, platforms & data +
    platforms
    desktopcross-platformone-click install
    install
    Clone https://github.com/tonghoai/opennotas or deploy with Docker Compose
    setup
    Download the native package or installer for your operating system.
    your data
    All application data lives locally on your own machine.
    checked
    2026-11-07
  17. 17

    Justnote

    open sourceOpen SourceLocal
    67nov 2026

    Justnote is a secure note-taking app that lets you easily create and sync notes across devices while maintaining full control of your data.

    The catch vs Obsidian

    Community-driven open source project without dedicated enterprise SLAs.

    Install, platforms & data +
    platforms
    desktopcross-platformone-click install
    install
    Clone https://github.com/stxapps/justnote-client or deploy with Docker Compose
    setup
    Download the native package or installer for your operating system.
    your data
    All application data lives locally on your own machine.
    checked
    2026-11-07
  18. 18

    Koru

    open sourceOpen SourceLocal
    33nov 2026

    Write, organize, and run AI agents in a private workspace that stores everything locally, syncs peer-to-peer, and works offline on Windows, macOS, and Linux.

    The catch vs Obsidian

    Community-driven open source project without dedicated enterprise SLAs.

    Install, platforms & data +
    platforms
    desktopcross-platformone-click install
    install
    Clone https://github.com/koruworks/mono or deploy with Docker Compose
    setup
    Download the native package or installer for your operating system.
    your data
    All application data lives locally on your own machine.
    checked
    2026-11-07

Obsidian Head-to-Head Comparisons (2027)

Side-by-side trade-off breakdowns Β· 18 free alternatives

Frequently Asked Questions

Direct answers Β· Obsidian open-source replacements

What is the best free alternative to Obsidian?+

The top free alternative to Obsidian is Macro Docs (open source, Open Source). Collaborative markdown documents with real-time CRDT editing, AI agent cursors, mention linking, and built-in properties tied to your tasks, channels, and email. Other popular Obsidian replacements include Memos, Joplin, SiYuan.

Can I self-host a free replacement for Obsidian?+

Yes. Of the 18 free alternatives to Obsidian, 10 can be self-hosted on your own server or local machine: Memos (Open Source), Joplin (AGPL-3.0+), SiYuan (AGPL-3.0), Logseq (AGPL-3.0), Docmost (AGPL-3.0), Notesnook (Open Source), Blinko (Open Source), Silverbullet (Open Source), Standard Notes (Open Source), XWiki (Open Source).

How much does switching from Obsidian to a free alternative save?+

Obsidian starts at $10/month per seat ($120/year). Switching a 5-person team to a free alternative like Macro Docs saves $600 per year in software subscription fees.

Should I vibe-code or build my own Obsidian clone from scratch?+

Our build verdict for Obsidian is NO (use a free alternative, save the tokens). Instead of paying recurring SaaS fees for Obsidian or rebuilding it from scratch, deploy one of the 18 battle-tested open-source alternatives like Macro Docs.

What is the catch when switching from Obsidian to Macro Docs?+

Community-driven open source project without dedicated enterprise SLAs.