Outline vs Wiki.js vs BookStack
Self-hosted wikis for team documentation. Outline is the most modern and fast; Wiki.js is Git/Markdown-based; BookStack organizes content as books and chapters.
| Tool | ★ GitHub | License | Platform |
|---|---|---|---|
| | 39,025 | BUSL-1.1 | Nodejs, Docker |
| | 28,480 | AGPL-3.0 | Nodejs, Docker, K8S |
| | 0 | MIT | PHP, Docker |
Popularity (★ on GitHub)
Outline 39,025
Wiki.js 28,480
BookStack 0
Outline is a fast, beautiful wiki for team documentation, with powerful search and a modern editor. Self-hosted, it's the alternative to Notion/Confluence for the company's knowledge base.
Wiki.js is a modern, lightweight wiki built on Git and Markdown, with access control and visual editors. Hosted by you, it keeps documentation versioned and under your domain.
Frequently asked questions
Which is the best self-hosted alternative among Outline, Wiki.js, BookStack?
It depends on your case. Outline is the most popular (39,025 stars). Compare license, platform and features in the table above.
Are Outline, Wiki.js, BookStack free?
Yes, they're all open source and self-hosted — you run them on your own server with no monthly fee.