The best Wikis & internal docs
Every option ranked — open-source, self-hostable, and commercial — by our transparent Sovereignty Score, with honest trade-offs so you choose what fits you, not us.
Where a team writes down how things work. Priced per seat, so the cost of documenting rises with headcount even though the documents do not.
L5Applications — layer 5 of the AI stack- 1
BookStack
Top pickOpen sourceShelves, books, chapters, pages — a wiki organised like a library.
Free and open source. A small VPS runs it comfortably. · in our Confluence comparison →
What is BookStack? →94sovereignty - 2
Wiki.js
Open sourceEvery editor, every auth provider, every storage backend.
Free and open source. You supply the server and database. · in our Confluence comparison →
What is Wiki.js? →92sovereignty - 3
XWiki
Open sourceThe heavyweight — a wiki you can program like an application platform.
Free and open source. Commercial support available from XWiki SAS. · in our Confluence comparison →
What is XWiki? →91sovereignty - 4
Docmost
Open sourceThe modern one — real-time collaborative editing, Notion-like feel.
Free and open source to self-host. A paid cloud tier exists. · in our Confluence comparison →
What is Docmost? →90sovereignty - 5
Outline
CommercialThe best-looking option — and not open source, whatever the lists say.
Self-hostable free within BUSL terms. Outline Cloud is paid per user. · in our Confluence comparison →
What is Outline? →66sovereignty
Replacing a specific tool?
Head-to-head comparisons for each popular wikis & internal docs product.
Straight head-to-heads
Two wikis & internal docs tools, side by side — verified facts and a plain verdict.