Compare Open Source Wiki & Knowledge Base apps

BookStack vs Docmost vs Wiki.js vs AFFiNE

Self-hosted wikis for organising team knowledge and documentation.

BookStack Simple, self-hosted wiki for organising and storing team knowledge. 19.0k stars App details	Docmost Collaborative wiki and document editor for organising team knowledge. 21.6k stars App details	Wiki.js Self-hosted wiki for team documentation with permissions and version history. 28.8k stars App details	AFFiNE Notion & Miro alternative combining docs, whiteboards, and databases. 72.2k stars App details
LicenseMIT Organisation typeIndividual Country of origin🇬🇧 United KingdomHeadquartersUnknownIncorporated inUnknown	LicenseAGPL-3.0 Organisation typeCompany Country of origin🇬🇧 United Kingdom Headquarters🇺🇸 United StatesIncorporated inUnknown	LicenseAGPL-3.0 Organisation typeIndividual Country of origin🇨🇦 CanadaHeadquartersUnknownIncorporated inUnknown	LicenseCustom Organisation typeCompany Country of origin🇸🇬 Singapore Headquarters🇸🇬 Singapore Incorporated in🇸🇬 Singapore
Donations & Sponsorships One-time, recurring, and corporate funding	Premium Features Free core with paid add-ons	Donations & Sponsorships One-time, recurring, and corporate funding	SaaS Also offered as a paid cloud service Company-backed Backed by a commercial company

	BookStack	Docmost	Wiki.js	AFFiNE
Wiki & Knowledge Base
Nested Pages & Hierarchical Structure
Real-time Collaborative Editing
Comments
Version History
Embedded Diagrams
Multilingual Content
Full-text Search
Infinite Canvas Whiteboard
No-code Database Builder
Authentication
SAML SSO
OIDC SSO
Social Login
LDAP / AD
MFA
API Keys
Password Auth
Access Control
RBAC
Teams
Unlimited Users
Data
Data Export
Audit Log
Integrations
Webhooks
REST API
GraphQL API
MCP Server
UI
Custom Branding
Dark Mode
Android
iOS
Mac
Windows
Infrastructure
HA / Clustering
Other Features
Multiple Data Views