Self-hosted Wikis & Knowledge Bases tools

Open-source, privacy-focused collaborative workspace for notes, databases, kanban boards and AI-assisted writing; desktop, mobile and web clients with local-first storage.

AGPL-3.0Actively maintained

Alternative to:

Notion+19

All-in-one, privacy-focused workspace that merges docs, whiteboards and databases with real-time collaboration and multimodal AI assistance.

Actively maintained

Alternative to:

Notion+16

Memos is a lightweight, privacy-first self-hosted note-taking service with Markdown, fast search, and sharing features for personal notes, wikis, and team knowledge.

MITActively maintained

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Memos Cloud+19

Open-source alternative to Jira/Linear for tasks, cycles, docs and analytics; offers cloud and self-hosted deployments.

AGPL-3.0Actively maintained

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Atlassian Jira+18

Logseq is a privacy-first, open-source knowledge management app for networked notes, tasks, and collaboration using local Markdown or Org-mode graphs.

AGPL-3.0Actively maintained

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Roam Research+19

Outline is a fast, collaborative knowledge base for teams, featuring markdown docs, real-time editing, AI-powered search, and Slack integrations.

Actively maintained

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Atlassian Confluence+16

Chatwoot is an open-source customer support platform with a shared inbox for live chat, email, and messaging channels, plus automation, reporting, and a help center.

Actively maintained

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Intercom+19

A modern, extensible Node.js wiki with Markdown editing, powerful admin tools, multiple auth options, and support for popular SQL databases.

AGPL-3.0Actively maintained

Alternative to:

Atlassian Confluence+19

Huly is an open-source all-in-one platform combining project management, team chat, and collaborative documentation as an alternative to tools like Jira, Linear, Slack, and Notion.

EPL-2.0Actively maintained

Alternative to:

Linear+19

Open-source Confluence/Notion alternative for team wikis and documentation with real-time editing, spaces, permissions, diagrams, and search.

AGPL-3.0Actively maintained

Alternative to:

Atlassian Confluence+17

BookStack is a simple documentation and wiki platform with a WYSIWYG and optional Markdown editor, full-text search, permissions, and integrated authentication.

MITActively maintained

Alternative to:

Atlassian Confluence+16

Open-source collaborative documentation and wiki platform with real-time editing, offline sync, export features and flexible self-hosting options.

MITActively maintained

Alternative to:

Notion+17

Collaborative note-taking, wiki, and documentation platform with real-time editing, access control, and offline support. Built with Django and React/Next.js.

MITActively maintained

Alternative to:

Notion+19

Apache Answer is an open-source Q&A platform for community forums, help centers, and internal knowledge sharing with tagging, voting, and a plugin system.

Apache-2.0Actively maintained

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Stack Overflow+5

Git-backed wiki engine that supports multiple markup formats, an integrated editor, and features like diagrams, math rendering, citations, and RSS feeds.

MITSlowing down

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Atlassian Confluence+13

Leantime is an open-source, PHP-based project management system combining strategy, planning and execution with Kanban, Gantt, dashboards, wikis, time tracking and AI-assisted features.

AGPL-3.0Actively maintained

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Asana+19

TiddlyWiki is a self-contained, highly customizable personal wiki that runs in the browser or on Node.js, enabling notes, knowledge bases, and documentation in one file.

Actively maintained

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Notion+19

Open-source, web-based collaborative Markdown editor for real-time notes, diagrams, and slide presentations with revisions and access controls.

AGPL-3.0Actively maintained

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HackMD+17

Self-hosted, browser-based personal knowledge management platform with Markdown pages, wiki-style links, tasks, queries, and Lua scripting for automation.

MITActively maintained

Alternative to:

Notion+19

Open-source, local-first Slack and Notion alternative combining team chat, rich docs, databases, and file management with offline-first sync and self-hosting.

Apache-2.0Actively maintained

Alternative to:

Notion+19

DokuWiki is a lightweight, file-based wiki engine with ACL, versioning, and a rich plugin/template ecosystem for documentation and knowledge bases.

GPL-2.0Actively maintained

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Atlassian Confluence+14

Frappe Helpdesk is an open-source customer support platform with ticket management, agent and customer portals, SLAs, automation rules, and a knowledge base.

AGPL-3.0Actively maintained

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Zendesk+19

Raneto is an open-source, file-based Markdown knowledge base for Node.js with web editing, full-text search, theming, and optional login protection—no database required.

MITActively maintained

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GitBook+13

Lightweight, privacy-focused self-hosted Markdown notes app with wikilinks, graph view, tags, templates, search, Mermaid diagrams, LaTeX math, and optional password protection.

MITActively maintained

Alternative to:

Notion+19

Documize is a self-hosted knowledge base and documentation platform for internal and external docs, offering spaces, labels, search, and enterprise-friendly authentication.

AGPL-3.0Actively maintained

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Atlassian Confluence+17

Docspell is a self-hosted document management system that imports scanned files and email attachments, runs OCR, and helps organize documents with tags, metadata, and search.

AGPL-3.0Actively maintained

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DocuWare+5

Gitit is a wiki engine that stores pages in a git-compatible repo, uses Pandoc for markup, and runs on Happstack.

GPL-2.0Actively maintained

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Atlassian Confluence+14

Azimutt is a database exploration and documentation tool with scalable ERDs, an AML schema DSL, schema analysis, data navigation and multi-source connectors.

MITActively maintained

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dbdiagram.io+1

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

MITActively maintained

Alternative to:

Notion+19

Extensible Django wiki application with Markdown pages, versioning, permissions, and a pluggable architecture for integrating knowledge bases into Django sites.

GPL-3.0Actively maintained

Alternative to:

Atlassian Confluence+15