Notion vs Slab
Notion and Slab are both wiki and knowledge base software. Notion is a commercial product from Notion Labs. Slab is a commercial product from Slab.
Which to pick
- Pick Notion when
- A small or mid-size team wants one flexible tool for docs, wiki and light project tracking.
- Pick Slab when
- A small or mid-size team wants a simpler, tidier wiki than Confluence or Notion.
Side by side
A workspace of pages and databases for notes, wikis, project tracking and docs, with AI search and agents built in.
A clean team wiki with topics, a good editor and unified search across tools like Google Drive, GitHub and Slack.
Cloud only, slow on large workspaces, offline support is limited, and its flexibility leads to messy structures.
A small vendor with fewer features and integrations than the large suites.
Production-ready (both)
Cloud service, desktop app and mobile app
Cloud service
Not published (both)
Closed source, sold by Notion Labs
Closed source, sold by Slab
Closed source: you use it under the maker's terms and cannot change or resell the code. (both)
4.1k Wikipedia readers a month on phones
No Wikipedia article of its own
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.