Best wiki and knowledge base tools
Team wikis, internal knowledge bases and documentation site platforms, from hosted SaaS tools to self-hosted open-source wikis.
24 apps, ordered by visits from AppBreakup and how often our research lists each one as an alternative. Open any app to see its alternatives.
All wiki and knowledge base tools
- Alternatives to Confluence

Atlassian's team wiki for pages, spaces and project docs, tightly linked to Jira.
Free plan + paidWeb, iOS, Android - Alternatives to Slab

A clean, fast team wiki with unified search across your other work tools.
Free plan + paidWeb, macOS, Windows, Browser extension - Alternatives to BookStack

A free, MIT-licensed self-hosted wiki that organises pages into shelves, books and chapters.
Open sourceSelf-hostableWeb, Self-hosted - Alternatives to Docmost

An open-source, self-hosted wiki with a Notion-style editor, built as a Confluence alternative.
Open sourceSelf-hostableWeb, Self-hosted - Alternatives to Outline

A fast, clean team wiki available as a hosted service or self-hosted on your own servers.
Free plan + paidSelf-hostableWeb, macOS, Windows, Self-hosted - Alternatives to GitBook

A hosted docs platform for product and API documentation, with Git sync and an AI assistant.
Free plan + paidWeb - Alternatives to Archbee

- Alternatives to Wiki.js

An open-source, Node.js-based wiki with Markdown, Git sync and many login options.
Open sourceSelf-hostableWeb, Self-hosted - Alternatives to ReadMe

A developer hub for API references, guides and changelogs, with interactive try-it consoles.
Free plan + paidWeb - Alternatives to Mintlify

A docs-as-code platform for developer documentation, with an AI assistant and API playground.
Free plan + paidWeb - Alternatives to XWiki

An open-source enterprise wiki from Europe, available on-premises or as a hosted cloud.
Open sourceSelf-hostableWeb, Self-hosted - Alternatives to Slite

A team knowledge base focused on verified docs and AI answers across connected tools.
PaidWeb, macOS, Windows, iOS, Android - Alternatives to Helpjuice

Customisable knowledge base software for customer self-service and internal documentation.
PaidWeb - Alternatives to Document360

A knowledge base platform for customer help centres, product manuals and internal SOPs.
PaidWeb - Alternatives to Guru

An enterprise knowledge platform that verifies company information and serves it to people and AI tools.
PaidWeb, Browser extension - Alternatives to Redocly

API documentation tools from the makers of Redoc, with a hosted docs platform and CLI.
PaidWeb - Alternatives to Read the Docs

Docs hosting that builds and publishes documentation from your Git repository.
Free plan + paidOpen sourceWeb - Alternatives to DokuWiki

A lightweight open-source PHP wiki that stores pages as plain text files, no database needed.
Open sourceSelf-hostableWeb, Self-hosted - Alternatives to Tettra

- Alternatives to MediaWiki

The open-source wiki engine behind Wikipedia, built for large, multilingual wikis.
Open sourceSelf-hostableWeb, Self-hosted - Alternatives to KnowledgeOwl

Knowledge base software for public help centres and private internal docs, with flat monthly plans.
PaidWeb - Alternatives to Nuclino

A lightweight, fast team wiki with list, board, table and graph views.
Free plan + paidWeb, Windows, macOS, Linux, iOS, Android - Alternatives to Zoho Learn

Zoho's combined knowledge base and training tool for manuals, articles and courses.
Free plan + paidWeb, iOS, Android - Alternatives to Microsoft SharePoint

Microsoft's intranet and document-site platform, included in most Microsoft 365 business plans.
PaidWeb, iOS, Android, Self-hosted
Our picks by need
Best for most people
ConfluenceBest for a free option
BookStackBest for open source
DocmostBest for self-hosting
OutlineBest for Mac
SlabBest for Windows
SliteBest for Linux
NuclinoBest for iPhone and Android
Zoho LearnPopular comparisons
Common questions
What are the best wiki and knowledge base tools?
Based on how often our research lists them as alternatives and visits from AppBreakup, the leading wiki and knowledge base tools right now are Confluence, Slab, BookStack, Docmost and Outline.
Are there free wiki and knowledge base tools?
Yes. Confluence (free plan + paid), Slab (free plan + paid), BookStack (open source), Docmost (open source) and Outline (free plan + paid) have a free option, out of 15 free or freemium apps we track.
Which wiki and knowledge base tools are open source?
BookStack, Docmost, Wiki.js, XWiki, Read the Docs and DokuWiki, and 1 more.