Notion
Documentation · Free · since 2016
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Notion is a all-in-one workspace used by many teams as their primary documentation and knowledge management tool. It handles wikis, databases, templates, and ai assist, and it's best suited for teams wanting docs, wikis, and knowledge bases in one place. It has been around since 2016, giving it a 10-year head start in building out integrations and refining the product.
The free plan is free for personal use — enough for most people to evaluate whether it fits. Paid plans start at $8/user/mo, which unlocks the full feature set.
pros
- Includes Wikis as a core feature, purpose-built for documentation workflows
- Databases turn notes into structured data with views, filters, and relations
- Free for personal use — generous enough for most small teams to get real work done
- Includes templates alongside the core feature set — fewer separate tools needed
cons
- Free plan exists but key features are locked behind the paid upgrade
- Fewer built-in features means you may need additional tools to cover gaps
- Ecosystem of third-party integrations is smaller than the market leaders in documentation
- Mobile experience lags behind the desktop version in features and polish
top Notion alternatives
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GitBook Modern documentation platform that syncs with Git repositories and provides a polished reading experience. Free Mintlify Documentation platform focused on beautiful API docs with built-in components and analytics. Free ReadMe Developer hub platform for creating interactive API documentation with built-in metrics and user management. Free Docusaurus Meta's open-source static site generator optimized for building documentation websites with React. Free Slite Team knowledge base with AI-powered search that surfaces the right information instantly. Free 
Notion All-in-one workspace commonly used as team wiki with databases, templates, and AI. Free