Best Self-hosted Wikis & Knowledge Bases tools in 2026
65 self-hosted open source alternatives in this category
See also:
Blogging & PublishingDigital Asset Management (DAM)Documentation Portals & Static PublishingHeadless CMSLearning Platforms (LMS)Traditional CMS65 services found
An Otter Wiki
Minimalistic Git-backed wiki using Markdown
A minimalistic wiki for collaborative documentation, storing pages in Git and editing in Markdown with version history, attachments, and user authentication.
eLabFTW
Electronic lab notebook and lab inventory management for research teams
Open source electronic lab notebook (ELN) for documenting experiments, managing lab inventory, and coordinating equipment booking with granular permissions and auditing.
XWiki
Open-source Java enterprise wiki and application platform
Enterprise-grade open-source wiki platform for knowledge management, intranets and web applications.
DSpace
Digital repository and asset management platform for institutions
DSpace is an open source institutional repository and digital asset management system for preserving, managing, and providing access to digital content.
Many Notes
Markdown note-taking web app with vaults, collaboration, and PWA
Self-hosted Markdown note-taking web app with multi-user vaults, real-time collaboration, fast search, templates, backlinks/tags, PDF export, and PWA support.
Scoold
Stack Overflow-style Q&A platform for teams and organizations
Open source Stack Overflow clone for teams: Q&A, knowledge sharing, search, spaces, reputation, webhooks, and integrations via a Para backend.
webtrees
Collaborative web-based genealogy and family tree management
Web-based genealogy software for publishing and collaboratively editing family trees, with GEDCOM import, media support, and granular privacy controls.
Poznote
Lightweight self-hosted note-taking and documentation platform
Open-source, self-hosted note-taking and documentation app with rich text & Markdown editors, search, attachments, workspaces, REST API and OIDC support.
Typemill
Lightweight flat-file CMS for documentation, manuals and eBooks
Open-source, Markdown-based flat-file CMS for documentation, knowledge bases, manuals and eBook generation with plugins, themes and AI-assisted editing.
Wiki-Go
A modern, databaseless flat-file wiki platform built with Go.
Go-based flat-file wiki that stores content as Markdown with built-in search, version history, and access control, without an external database.
Operately
Open-source company operating system for goals, projects and reviews
Open-source operating system that connects company goals, projects and check-ins with opinionated workflows, an AI executive coach, and self-hosting options.
Wiki|Docs
Databaseless Markdown flat-file wiki engine
Lightweight databaseless wiki using Markdown files with WYSIWYG editor, attachments, revisions and sitemap. Runs on PHP/Apache and available via Docker.
GeneWeb
Web-based genealogy database and viewer written in OCaml
Open-source genealogy software with a web interface, multilingual support, GEDCOM import/export, relationship calculations, per-person access control and templating.
Mycorrhiza Wiki
Filesystem- and Git-based wiki engine written in Go
Lightweight filesystem wiki engine using Git for history and Mycomarkup for content, suited for personal wikis, digital gardens and small teams.
Tiledesk
Open-source platform for AI chatbots and multichannel live chat
Open-source conversational platform to build AI chatbots, multichannel live chat, and human-in-the-loop customer support with knowledge base and RAG capabilities.
Tracim
Modular team collaboration platform for files, chat, and documentation
Tracim is an open-source collaboration suite offering threaded conversations, file sharing with versioning, collaborative pages, tasks and workspace organization.
Silicon Notes
Minimal web-based personal knowledge base in Markdown
Silicon Notes is a lightweight personal knowledge base built with Flask. It offers Markdown editing, syntax highlighting, backlinks, full-text search, page history, and export/import.
A·Muse·Wiki
Text::Amuse-based wiki and book-oriented publishing engine
Perl-based wiki engine focused on high-quality publishing, bookbuilding, EPUB/PDF output, Git and flat-file backends, and multi-database support.
Pepperminty Wiki
Lightweight, single-file PHP wiki engine with modular features
A compact, single-file PHP wiki engine offering page history, file uploads, tagging, themes and collaborative editing for small to medium sites.
Ackify
Cryptographic proof-of-read and document acknowledgment system
Ackify provides Ed25519-based proof-of-read for documents with immutable audit trails, OAuth2/MagicLink authentication, embeddable widgets and an admin dashboard.
Traq
Open-source PHP project manager and issue tracker
Self-hosted PHP project management and issue tracking system with multi-project support, milestones, custom fields, built-in Markdown wiki, and REST API.
Oddmuse
Lightweight Perl wiki engine using filesystem storage
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.
LibreKB
Lightweight web-based knowledge base built with PHP and MySQL
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 support.
W (WCMS)
Lightweight PHP flat-file wiki-style CMS for experimental websites
Lightweight PHP wiki/CMS for spontaneous, heterogeneous websites; flat-file JSON storage, Markdown editing, media manager, themes, RSS, and mobile-friendly editing.
WackoWiki
Lightweight multilingual wiki engine with ACLs and WYSIWYG editor
Lightweight PHP wiki engine offering WYSIWYG editing, per-page ACLs, revision control, themes, file uploads, and support for MariaDB/MySQL/SQLite.
Feather Wiki
A tiny self-contained wiki stored in a single HTML file
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.
Hubzilla
Federated collaboration and social networking platform
Hubzilla is a federated server platform for social networking, groups, publishing, and file sharing with strong privacy controls, nomadic identity, and SSO across hubs.
MediaWiki
Collaborative wiki and documentation platform
MediaWiki is an open source wiki engine for building collaborative knowledge bases with versioned pages, templates, categories, and a powerful extension system.
PmWiki
Wiki-based CMS for collaborative website creation and maintenance
PmWiki is a PHP-based wiki CMS for collaboratively building and maintaining websites with simple markup, skins, extensions, file uploads, and granular access control.
SeedDMS
PHP-based document management system for storing and organizing files
SeedDMS is an open source PHP document management system for organizing documents with versioning, permissions, workflows, search, and integrations like LDAP and WebDAV.