Notion vs Requarks Wiki
Notion and Requarks Wiki are both wiki and knowledge base software. Notion is a commercial product from Notion Labs. Requarks Wiki is open source under AGPL-3.0, with 29k GitHub stars.
Which to pick
- Pick Notion when
- A small or mid-size team wants one flexible tool for docs, wiki and light project tracking.
- Pick Requarks Wiki when
- A team wants a polished self-hosted wiki for internal documentation.
Side by side
A workspace of pages and databases for notes, wikis, project tracking and docs, with AI search and agents built in.
Wiki.js, a Node.js wiki with Markdown and visual editors, Git sync, many authentication options and search.
Cloud only, slow on large workspaces, offline support is limited, and its flexibility leads to messy structures.
AGPL license, and version 3 took years to arrive, so check the migration path from 2.x.
Production-ready (both)
Cloud service, desktop app and mobile app
Self-hosted server
Not published
TypeScript, Vue, Node.js and PostgreSQL
Closed source, sold by Notion Labs
Open source, AGPL-3.0 (network copyleft)
Closed source: you use it under the maker's terms and cannot change or resell the code.
Use inside your business is unrestricted. If you change it and let customers use it over the internet, you must publish your changes.
4.1k Wikipedia readers a month on phones
29k GitHub stars
Not known
Established: started 10 years ago, latest release 3.0.2.
Other comparisons
More wiki and knowledge base software
Both sides were judged on 2026-11-03 from makers' descriptions, Wikipedia, READMEs and GitHub data. License, age and popularity lines are worked out directly.