Docmost
Notion/Confluence-style wiki and docs with real-time collaboration.
SaaS: Yes, with conditionsClosed product: No
- GitHub stars
- 21.9k
- Deployment
- Docker
- Login/SSO
- OIDC/SAML (EE)
Open-source alternatives to Notion
Notion by Notion Labs in the Docs & collaboration category. These are the open alternatives we recommend looking at.
AppFlowy
Notion-like workspace for notes, databases and tasks.
SaaS: Yes, with conditionsClosed product: No
- Deployment
- Desktop, Docker
Outline
Fast, polished team wiki.
BUSL-1.1Source-available (not OSI)
SaaS: NoClosed product: No
- GitHub stars
- 40.8k
- Deployment
- Docker
- Login/SSO
- OIDC, Google, Microsoft, Slack
BookStack
Stable wiki organised as shelves, books and pages.
MITPermissive
SaaS: YesClosed product: Yes
- GitHub stars
- 19.1k
- Deployment
- Docker
- Login/SSO
- OIDC, SAML, LDAP
La Suite Docs
Collaborative documents backed by the French and German governments.
MITPermissive
SaaS: YesClosed product: Yes
- GitHub stars
- 16.9k
- Deployment
- Docker, Helm
- Login/SSO
- OIDC
Wiki.js
Powerful wiki with Markdown, permissions and many login options.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
- GitHub stars
- 29.0k
- Deployment
- Docker
- Login/SSO
- OIDC, SAML, LDAP
Free alternatives (not open source)
Free to use under the vendor's terms, but not open source: no right to modify, redistribute or build on it. Listed separately from the open alternatives.
Obsidian
Note-taking app and personal knowledge base that stores everything as plain local Markdown files.
SaaS: NoClosed product: No
- Deployment
- Desktop
This is guidance, not legal advice (inte juridisk rådgivning). Check with a lawyer before deciding.
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