Notion
FreemiumFlexible docs and databases replacing many Confluence spaces.
Pros
- +Modern editor
- +Databases + docs
- +Fast adoption
Cons
- −Permissions less enterprise-rigid
- −Offline limited
- −Atlassian ecosystem loss
Best for: Startups swapping Confluence for a friendlier wiki.
Pricing notes: Freemium seats; often simpler pricing than Confluence Cloud.
Visit website →Outline
Open SourceBeautiful self-hostable team knowledge base.
Pros
- +Clean UX
- +Self-host
- +Slack/SSO friendly
Cons
- −Fewer macros than Confluence
- −Ops if self-hosted
- −Smaller plugin set
Best for: Teams wanting a focused wiki without Atlassian.
Pricing notes: OSS + paid cloud per seat.
Self-host tip: spin up containers on Railway or DigitalOcean (our referral links).
Visit website →BookStack
Open SourceSimple open-source documentation platform (books/chapters/pages).
Pros
- +Clear content hierarchy
- +Self-host easy
- +Free software
Cons
- −Not a Notion clone
- −Fewer collab niceties
- −You maintain it
Best for: Internal docs and manuals with classic hierarchy.
Pricing notes: 100% free OSS; hosting only.
Self-host tip: spin up containers on Railway or DigitalOcean (our referral links).
Visit website →GitBook
FreemiumDocs platform popular for product and API documentation.
Pros
- +Great for product docs
- +Git sync options
- +Modern publishing
Cons
- −Less internal-wiki focused
- −Paid for teams
- −Different mental model
Best for: Product/docs teams publishing customer-facing docs.
Pricing notes: Freemium; paid for advanced collaboration and branding.
Visit website →Slab
PaidKnowledge base built for searchable team topics.
Pros
- +Strong search
- +Clean writing UX
- +Integrations
Cons
- −Paid product
- −Smaller than Notion
- −Less DIY structure
Best for: Teams prioritizing findability over Confluence macros.
Pricing notes: Paid per user; trial usually available.
Visit website →Wiki.js
Open SourceModern open-source wiki with many storage backends.
Pros
- +OSS & flexible
- +Markdown-friendly
- +Self-host
Cons
- −Admin setup
- −UX varies by theme
- −Less SaaS polish
Best for: Technical teams hosting their own wiki.
Pricing notes: Free OSS; infrastructure cost only.
Self-host tip: spin up containers on Railway or DigitalOcean (our referral links).
Visit website →