Easiest Wikis & Documentation to self-host

LeafWiki

Wikis & Documentation

Lightweight self-hosted wiki with Markdown stored on disk

Replaces DokuWiki, Confluence

Lightweight Git-backed documentation wiki

Replaces Confluence, Notion

File-based wiki using Markdown and Git

Replaces Confluence, Notion

Flat-file documentation generator rendered from Markdown

Replaces GitBook, Confluence

Kiwix

Wikis & Documentation

Offline reader for Wikipedia and other knowledge

Replaces Wikipedia online

Raneto

Wikis & Documentation

Free, open, simple Markdown-powered knowledge base

Replaces Confluence, Zendesk Guide

Lightweight and easy-to-install multilingual wiki

Replaces Confluence, Notion

Pepperminty Wiki

Wikis & Documentation

Complete wiki engine contained in a single PHP file

Replaces DokuWiki, MediaWiki

TiddlyWiki

Wikis & Documentation

A non-linear personal web notebook in a single file

Replaces Notion, OneNote

Plain-text note-taking and Zettelkasten assistant

Replaces Roam Research, Obsidian

A desktop wiki and personal knowledge base

Replaces OneNote, Notion

Easy-to-use wiki for collaborative websites

Replaces Confluence, Notion

Tree-structured notes and wiki desktop application

Replaces Notion, OneNote

Host and edit single-file TiddlyWiki wikis

Replaces Evernote, OneNote

Single-user wiki notebook for thoughts and ideas

Replaces OneNote, Evernote

MkDocs

Wikis & Documentation

Documentation site generator for technical teams

Replaces Confluence, GitBook

CMS-free wiki that renders Markdown in the browser

Replaces Confluence

Markdown documentation site generator with search

Replaces Confluence, GitBook

Tiny single-file personal wiki for note taking

Replaces Notion, TiddlyWiki