Best Self-hosted Wikis & Knowledge Bases tools in 2026

Open source electronic lab notebook (ELN) for documenting experiments, managing lab inventory, and coordinating equipment booking with granular permissions and auditing.

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LabArchives+3

Enterprise-grade open-source wiki platform for knowledge management, intranets and web applications.

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Atlassian Confluence+15

DSpace is an open source institutional repository and digital asset management system for preserving, managing, and providing access to digital content.

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DSPACE Direct+19

Self-hostable note-taking and knowledge base app with an extended Markdown editor, fast search, tagging, workspaces, sharing permissions, exports, and offline PWA support...

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Notion+19

Open source Stack Overflow clone for teams: Q&A, knowledge sharing, search, spaces, reputation, webhooks, and integrations via a Para backend.

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Stack Overflow+18

Self-hosted Markdown note-taking web app with multi-user vaults, real-time collaboration, fast search, templates, backlinks/tags, PDF export, and PWA support.

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Notion+19

Web-based genealogy software for publishing and collaboratively editing family trees, with GEDCOM import, media support, and granular privacy controls.

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Ancestry+3

Open-source, Markdown-based flat-file CMS for documentation, knowledge bases, manuals and eBook generation with plugins, themes and AI-assisted editing.

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Typemill Cloud+13

Go-based flat-file wiki that stores content as Markdown with built-in search, version history, and access control, without an external database.

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Atlassian Confluence+19

Lightweight databaseless wiki using Markdown files with WYSIWYG editor, attachments, revisions and sitemap. Runs on PHP/Apache and available via Docker.

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Atlassian Confluence+12

Open-source, self-hosted note-taking and documentation app with rich text & Markdown editors, search, attachments, workspaces, REST API and OIDC support.

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Notion+19

Open-source operating system that connects company goals, projects and check-ins with opinionated workflows, an AI executive coach, and self-hosting options.

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monday.com+19

Open-source genealogy software with a web interface, multilingual support, GEDCOM import/export, relationship calculations, per-person access control and templating.

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Ancestry+3

Lightweight filesystem wiki engine using Git for history and Mycomarkup for content, suited for personal wikis, digital gardens and small teams.

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Atlassian Confluence+19

Open-source conversational platform to build AI chatbots, multichannel live chat, and human-in-the-loop customer support with knowledge base and RAG capabilities.

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Tiledesk+19

Silicon Notes is a lightweight personal knowledge base built with Flask. It offers Markdown editing, syntax highlighting, backlinks, full-text search, page history, and e...

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Notion+19

Tracim is an open-source collaboration suite offering threaded conversations, file sharing with versioning, collaborative pages, tasks and workspace organization.

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Microsoft SharePoint+19

Perl-based wiki engine focused on high-quality publishing, bookbuilding, EPUB/PDF output, Git and flat-file backends, and multi-database support.

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XWiki Cloud+13

A compact, single-file PHP wiki engine offering page history, file uploads, tagging, themes and collaborative editing for small to medium sites.

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Atlassian Confluence+14

Self-hosted PHP project management and issue tracking system with multi-project support, milestones, custom fields, built-in Markdown wiki, and REST API.

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Atlassian Jira+19

Ackify provides Ed25519-based proof-of-read for documents with immutable audit trails, OAuth2/MagicLink authentication, embeddable widgets and an admin dashboard.

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Docusign+15

Oddmuse is a single-file Perl wiki engine that stores pages on the filesystem, offers page versioning, themes and extensions, and runs under CGI or Mojolicious.

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Wikipedia+10

Self-hosted knowledge base web app in PHP/MySQL with Bootstrap UI and TinyMCE editor, offering categories, full-text search, user groups, email password resets and Docker...

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Document360+12

Lightweight PHP wiki engine offering WYSIWYG editing, per-page ACLs, revision control, themes, file uploads, and support for MariaDB/MySQL/SQLite.

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Atlassian Confluence+17

Lightweight PHP wiki/CMS for spontaneous, heterogeneous websites; flat-file JSON storage, Markdown editing, media manager, themes, RSS, and mobile-friendly editing.

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Atlassian Confluence+12

Trac is a minimalistic, web-based project management tool combining issue tracking, a wiki, and version control integration for Subversion and Git.

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Atlassian Jira+19

MediaWiki is an open source wiki engine for building collaborative knowledge bases with versioned pages, templates, categories, and a powerful extension system.

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Atlassian Confluence+16

PmWiki is a PHP-based wiki CMS for collaboratively building and maintaining websites with simple markup, skins, extensions, file uploads, and granular access control.

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Atlassian Confluence+13

Feather Wiki is a lightweight, self-contained wiki that runs from a single HTML file, with Markdown support and optional server-saving via WebDAV-style PUT.

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Notion+16

SeedDMS is an open source PHP document management system for organizing documents with versioning, permissions, workflows, search, and integrations like LDAP and WebDAV.

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Microsoft SharePoint+3