Four hand-approved projects in our catalog replace Notion. They are mainly knowledge bases, also documents. SiYuan has the most GitHub stars (47K). Tick what matters to you and the list re-sorts so the closest fits come first.
What matters to you?
Each choice is checked against live catalog data. Counts show how many alternatives meet it.
Licence
Activity
Language
Catalog
The alternatives
Pick what matters below. For now the four alternatives are in order of GitHub stars.
A local-first knowledge base with block links and Markdown editing.
Block-level references and two-way links between any pieces of content.
Exports to Markdown, PDF, Word and HTML, with OCR and web clipping.
Databases, spaced-repetition flashcards and embedded SQL queries.
Does not meet: Permissive licenceMeets: Open-source licenceMeets: Released ≤ 90 daysDoes not meet: Gaining starsMeets: Written in TypeScriptDoes not meet: In a stack
Run a company wiki with Markdown or visual editing and Git sync.
Markdown, visual and HTML editors with page history and revert.
Git sync to GitHub, GitLab, Bitbucket and Azure DevOps.
Sign-in through LDAP, SAML, CAS, Okta, Azure AD and OpenID Connect.
Does not meet: Permissive licenceMeets: Open-source licenceMeets: Released ≤ 90 daysDoes not meet: Gaining starsMeets: Written in TypeScriptDoes not meet: In a stack
Write and organise documents together in real time on your own server.
Real-time editing with live cursors, presence and comments.
Nested sub-documents and search for organising team knowledge.
Optional AI helpers that work with any OpenAI-compatible provider.
Meets: Permissive licenceMeets: Open-source licenceMeets: Released ≤ 90 daysDoes not meet: Gaining starsMeets: Written in PythonDoes not meet: In a stack
Data from GitHub and our catalog. Every listing is hand-approved. List prices are what the vendor publishes, not a quote, and self-hosting has its own running costs.
