AFFiNE
Open-source · Self-hosted
Open-source privacy-first collaborative workspace combining notes, docs, whiteboards, and knowledge management in one self-hosted Notion alternative.
Knowledge BaseCollaborationNote Taking
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Best self-hosted Knowledge Base tools
Keep notes, documents, and institutional knowledge portable and private. Compare the projects below by fit, maintenance burden, and deployment path.
Memos
Open-source · Self-hosted
Privacy-first lightweight note-taking platform with Markdown support, sharing features, and REST API for self-hosted knowledge management.
Note TakingKnowledge BaseMarkdown
Mem0
Open-source · Self-hosted
Open-source self-hosted knowledge base with AI-powered search, document management, and team collaboration for knowledge management.
Knowledge BaseAISearch
Readeck
Open-source · Self-hosted
Read-it-later and web-archiving service for saving articles, tagging bookmarks, preserving readable copies, and exporting content.
Bookmark ManagerRead LaterArchiving
Docmost
Open-source · Self-hosted
Collaborative wiki and documentation platform with real-time editing, spaces, permissions, comments, and page history.
Knowledge BaseWikiDocumentation
Paperless-ngx
Open-source · Self-hosted
Document management system that stores scans and PDFs, runs OCR, and makes the archive searchable, tagged, and organized.
Knowledge BaseDocumentsOCR