Outline alternatives: 6 apps ranked by verified data
Common reasons people leave Outline: self-hosting needs real dev-ops skill, and source-available licence, not OSI open source. We ranked 6 alternatives by how directly each one replaces Outline, then by reviews, real visits and how recently each app's facts were checked against its own website. Slab currently ranks first.
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Show all 6 alternativesThe best Outline alternative for…
The highest-ranked app in this list for each need.
Best Outline alternative for most people
SlabA hosted wiki with a free plan if you don't want to run servers.
Best Outline alternative for a free option
DocmostFully open-source (AGPL) self-hosted wiki with a similar modern editor.
Best Outline alternative for a free plan you can upgrade
ConfluenceEnterprise wiki with deep Jira links and a large app marketplace.
Best Outline alternative for open source
BookStackMIT-licensed and much simpler to self-host on a PHP server.
Best Outline alternative for self-hosting
Wiki.jsOpen-source wiki with Git storage sync and many auth options.
Best Outline alternative for Windows
SlabA hosted wiki with a free plan if you don't want to run servers.
Best Outline alternative for iPhone and Android
ConfluenceEnterprise wiki with deep Jira links and a large app marketplace.
Best Outline alternative for working in the browser
SlabA hosted wiki with a free plan if you don't want to run servers.
Outline alternatives: common questions
What is the best alternative to Outline?
Slab ranks first right now. A hosted wiki with a free plan if you don't want to run servers. Confluence and Docmost follow it in our ranking.
Is there a free alternative to Outline?
Yes. Slab (free plan + paid), Confluence (free plan + paid), Docmost (open source) and BookStack (open source) have a free option. Check each app's verified facts for current plan limits.
Is there an open-source alternative to Outline?
Yes: Docmost, BookStack and Wiki.js. Docmost, BookStack and Wiki.js can also be self-hosted.
Why do people switch from Outline?
The complaints we hear most: self-hosting needs real dev-ops skill; source-available licence, not OSI open source; community Edition has no support.
How is this list ranked?
Every app is scored with the same published formula: how directly it replaces Outline, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.