Best Self-hosted Alternatives to Guru

AppFlowy is an open-source, privacy-focused collaborative workspace designed as an alternative to Notion. It combines rich documents, databases, boards, and AI-assisted tools across desktop, mobile, and web clients while keeping a local-first data model.

Key Features

• Rich editor with many block/content types (code blocks, equations, embeds, toggles) and customizable templates
• Database views: grid, board (kanban), calendar and custom views for structured data
• Hybrid architecture: Flutter-based native clients and a Rust core handling business logic and persistence
• Local-first storage using SQLite plus CRDT-based collaboration layers and optional cloud sync
• Built-in AI features (AI chat and writers) with support for local and external models and model selection
• Cross-platform distribution: native macOS, Windows, Linux, iOS and Android clients; web client for browser access
• Extensible plugin and template ecosystem with community-contributed Flutter packages and editor plugins

Use Cases

• Personal knowledge management and note-taking with structured databases and rich content
• Team collaboration for project documentation, shared wikis, and kanban-based task tracking
• Publishing documentation or lightweight sites and using AI to generate summaries, drafts, or takeaways

Limitations and Considerations

• Feature parity with established commercial products is still evolving; some advanced Notion features may be missing or in-progress
• Web deployment and self-hosted web setup can require configuration (CORS, environment variables) and has had community-reported friction during installation
• Commercial/cloud features and enterprise-grade services are shipped separately (cloud offerings and paid tiers); community and plugin ecosystems are active but still maturing

AppFlowy is best suited for users who want control over their data, cross-device native experiences, and an open-source, extensible workspace. It is actively developed with a thriving community, and feature coverage continues to expand through releases and community contributions.

Outline is a team knowledge base and wiki that helps organizations capture, organize, and share information. It offers a markdown-friendly editor, real-time collaboration, AI-powered search, and Slack integration. It can be hosted in the cloud or self-hosted on your own infrastructure.

Key Features

• Real-time collaborative editing with a markdown editor, slash commands, and embeddable content
• Fast full-text search with AI-powered answers across documents
• Slack integration to search docs and post updates within channels
• Public sharing with private access controls, custom branding and domains
• Open source with self-hosted deployment and a public API
• Multi-language translations and RTL support
• 20+ integrations with other tools
• Regular open-source development with an active changelog
• API access for programmatic docs management

Use Cases

• Build a centralized internal knowledge base and wiki for teams with real-time collaboration
• Publish public or private documentation portals under your brand and domain
• Integrate with Slack and other tools to surface docs in workflows

Outline combines collaborative editing, powerful search, and flexible hosting to help teams organize knowledge efficiently. With cloud hosted or self-hosted options and extensive integrations, it's suitable for teams of any size.

Wiki.js is a modern, lightweight wiki application designed for internal documentation, knowledge bases, and team collaboration. It focuses on modular extensibility, strong access controls, and flexible deployment options.

Key Features

• Markdown-based content editing with rich formatting and media support
• Modular architecture with many optional integrations (auth, search, storage, logging, rendering)
• Extensive administration interface for managing content, users, and settings
• Flexible access control for public, private, or mixed wikis
• Multiple authentication options including local auth and enterprise integrations (LDAP, SAML, OAuth2/OIDC)
• Two-factor authentication support for compatible authentication modules
• Compatible with multiple SQL databases (PostgreSQL, MySQL/MariaDB, Microsoft SQL Server, SQLite)

Use Cases

• Team knowledge base for processes, runbooks, and internal documentation
• Product and engineering documentation portal with structured pages
• Company intranet wiki with SSO-backed access control

Limitations and Considerations

• Some advanced capabilities depend on enabling and configuring specific modules and external services
• Database and authentication feature availability can vary depending on the selected backend and provider

Wiki.js is a solid choice for organizations that want a fast, customizable wiki with strong administration and authentication flexibility. Its modular design makes it suitable for both small private wikis and larger documentation hubs.

Docmost is a collaborative wiki and documentation platform designed for teams to create, organize, and share internal knowledge. It provides a modern editor with real-time collaboration and structured spaces, making it a practical alternative to tools like Confluence and Notion.

Key Features

• Real-time collaborative editing with live cursors and instant syncing
• Team spaces for organizing documentation by department, project, or domain
• RBAC-style permissions with groups and granular access controls
• Inline comments for discussions directly on pages
• Page history for tracking changes over time
• Built-in diagram support (Draw.io, Excalidraw, Mermaid)
• File attachments and rich embeds from external tools
• Full-text search across content
• Imports from Confluence, Notion, and HTML/Markdown files
• Multilingual UI with support for many translations

Use Cases

• Internal company wiki for policies, runbooks, and engineering docs
• Project documentation hub with permissions per team or space
• Publishing selected pages as a public-facing knowledge base

Limitations and Considerations

• Some functionality is reserved for an Enterprise Edition under a separate license from the AGPL-licensed core

Docmost combines collaborative editing, structured organization, and strong access controls to help teams manage documentation at scale. It is well-suited for organizations that want control over deployment and data while retaining a modern documentation experience.

BookStack is an opinionated documentation and wiki platform for storing and organizing information in a structured way. It focuses on an intuitive editing experience while still providing advanced features like granular permissions, revisions, and integrations.

Key Features

• Book/Chapter/Page content model for structured documentation
• WYSIWYG editor plus an optional Markdown editor with live preview
• Full-text search across books, chapters, and pages
• Direct links to specific paragraphs for precise referencing
• Page revisions and content history
• Role-based access control and permissions
• Integrated authentication options including LDAP, OIDC, and SAML2
• Built-in multi-factor authentication (TOTP and backup codes)
• Built-in diagrams.net drawing support in the editor

Use Cases

• Internal team knowledge base and operational runbooks
• Product or project documentation portal for organizations
• Centralized documentation for self-hosted/homelab services and processes

Limitations and Considerations

• Designed as an opinionated documentation system rather than a highly extensible general-purpose platform

BookStack is a solid choice when you want a clean, structured wiki with strong access control and authentication options. Its focus on usability makes it approachable for non-technical contributors while remaining capable for larger teams.

Docs is an open-source collaborative note-taking, wiki and documentation platform from La Suite numérique. It provides real-time collaborative editing, offline sync, export options and a Django + React/Next.js stack for extensible deployments.

Key Features

• Real-time collaborative editing powered by operational transform / CRDT tooling (Yjs / HocusPocus) for low-latency co-editing.
• Dual editing modes: rich in-line editor (BlockNote) and Markdown support with slash-commands and block types.
• Offline editing with automatic sync when reconnected.
• Export to multiple document formats (.odt, .docx, .pdf) with customizable templates.
• Granular access controls and subpages to organize team knowledge.
• AI-assisted actions (rephrase, summarize, translate, prompt creation) integrated into the editor.
• Production-ready deployment patterns: Kubernetes for production and Docker Compose for local/dev environments.

Use Cases

• Internal knowledge base and team wiki for public sector or enterprise documentation.
• Collaborative authoring of policies, procedures, and technical docs with live multi-author workflows.
• Documentation portals and public-facing docs sites when combined with La Suite deployment patterns.

Limitations and Considerations

• Some advanced editor features (for example certain PDF export capabilities) rely on BlockNote "XL" packages that are GPL-licensed and not MIT-compatible; those features can be disabled to produce an MIT-only build (PUBLISH_AS_MIT).
• Official public instances may require federated or government-specific authentication (example: ProConnect for certain French government instances).

Docs is suitable for organizations that need a self-hosted, extensible collaborative documentation solution with real-time editing and export workflows. The project is community-driven and designed to scale from small teams to government deployments.

La Suite Docs is a collaborative editor for notes, wiki pages, and internal documentation that helps teams turn documents into structured knowledge. It focuses on real-time co-editing, organized pages, and secure sharing.

Key Features

• Real-time collaborative editing powered by CRDT-based synchronization
• Block-based rich-text editor with slash commands and Markdown input
• Granular access control for documents and workspaces
• Subpages to organize content into navigable knowledge structures
• Offline editing with automatic sync when back online
• Export to multiple formats (with optional components depending on licensing)
• Built-in AI actions for rewriting, summarizing, translation, and typo fixing

Use Cases

• Team knowledge base and lightweight internal wiki
• Collaborative meeting notes and project documentation
• Shared writing workspace for public-sector or enterprise teams needing access controls

Limitations and Considerations

• Some export capabilities rely on optional components that may introduce GPL-licensed dependencies depending on build configuration

La Suite Docs is a strong fit for organizations that want an editor-first documentation tool with live collaboration and structured knowledge building. It can be deployed in production using containerized setups, and scales to larger installations when paired with appropriate infrastructure.

Gollum is a simple, Git-powered wiki with a local frontend and support for multiple markup formats. It stores pages in a Git repository, allowing edits via the built-in web interface or any text editor and enabling easy synchronization with GitHub- and GitLab-style wikis.

Key Features

• Git-powered wiki with a built-in web interface and local frontend
• Multi-markup support (Markdown, RDoc) with optional renderers for AsciiDoc, Creole, MediaWiki, Org, and more
• Diagrams and visuals via Mermaid or PlantUML
• BibTeX and citation support
• Annotations using CriticMarkup
• Math rendering with KaTeX or MathJax
• Macros and redirects; RSS feed of latest changes
• Compatibility with GitHub/GitLab wiki workflows
• Docker deployment, Rack compatibility, and a Java WAR option for web servers

Use Cases

• Team knowledge bases and project documentation stored in a Git repository
• Open-source or private wikis that benefit from versioned history and multi-markup content
• Personal knowledge management wikis for notes, reference material, and planning

Limitations and Considerations

• Some markup renderers are optional and require installing additional gems (eg, AsciiDoc, MediaWiki, PlantUML, etc.) to enable those formats

Gollum offers a lightweight, Git-backed wiki with versatile markup support and flexible deployment options, suitable for internal knowledge bases, project documentation, and personal wikis.

DokuWiki is an open source wiki engine designed for creating and maintaining documentation and knowledge bases. It stores content in plain text files rather than a database, making it straightforward to deploy, back up, and migrate.

Key Features

• File-based storage (no database required) using plain text pages
• Access control lists (ACL) for fine-grained permissions
• Built-in revision history and page diffs for change tracking
• Full-text search across wiki pages
• Media manager for uploading and organizing files
• Extensible through plugins and templates for customization and integrations

Use Cases

• Team or project documentation portals and internal knowledge bases
• Product manuals and technical documentation with change history
• Lightweight intranet wiki with role-based access control

Limitations and Considerations

• Not designed for real-time collaborative editing in the same way as office-suite style editors
• Large installations may require careful caching and tuning for best search and performance

DokuWiki is a solid choice when you want a dependable wiki with strong permissions and simple operations. Its file-based approach and mature ecosystem make it suitable for both small teams and larger documentation sites.

Raneto is an open-source knowledge base and wiki that serves documentation from static Markdown files. It is designed to be simple and lightweight, with optional edit protection and a built-in web editor, without requiring a database.

Key Features

• File-based content storage using Markdown (easy to version with Git)
• In-browser Markdown editor for creating and updating pages
• Full-text search across page titles and content
• Optional login system to protect editing
• Custom themes and templating for branded documentation sites
• Syntax highlighting for code blocks

Use Cases

• Internal team wiki for engineering and operations runbooks
• Product documentation and user guides maintained as Markdown
• Lightweight documentation portal for small projects without a database

Limitations and Considerations

• File-based storage can be less suitable for large, highly concurrent editing workflows
• Feature set is intentionally minimal compared to full enterprise wiki platforms

Raneto is a good fit for teams who want a straightforward, fast documentation site backed by Markdown files, with web-based editing and search. It works well when you value simplicity, portability, and Git-friendly content management.

Documize is an open source documentation and knowledge management platform positioned as a modern alternative to Confluence. It helps teams create, organize, and publish internal and customer-facing documentation with a structured, searchable wiki-style experience.

Key Features

• Spaces and categories for organizing documentation
• Label-based organization and discoverability
• Full-text search backed by the selected database engine
• Supports internal and external documentation use cases
• Single-binary server distribution for straightforward deployment
• Multiple authentication options including LDAP/Active Directory and Keycloak integration
• Multi-language UI support (with several translations included)

Use Cases

• Team knowledge base for engineering, IT, and operations runbooks
• Customer-facing product documentation and help content
• Centralized repository for policies, procedures, and internal documentation

Documize fits organizations that want a self-managed documentation system with enterprise-oriented features and database-backed search. Its Go-based backend and Ember.js frontend make it suitable for both small teams and larger deployments that need structured documentation and flexible authentication.

Gitit is a wiki program written in Haskell. It uses Happstack for the web server and pandoc for markup processing. Pages and uploaded files are stored in a git, darcs, or mercurial repository and may be modified either by using the VCS's command-line tools or through the wiki's web interface.

Key Features

• Written in Haskell; uses Happstack for the web server and pandoc for markup processing.
• Pages and uploaded files stored in a git, darcs, or mercurial repository and editable via VCS or web UI.
• Default markup is Pandoc's extended Markdown; supports reStructuredText, LaTeX, HTML, DocBook, and Org-mode.
• TeX math support via texmath and syntax highlighting via highlighting-kate.
• Plugins enabling dynamic page transformations written in Haskell.
• Categories and Atom feeds.
• Caching for performance.
• A library Network.Gitit to embed a wiki in Happstack apps.

Use Cases

• Host private or public wikis for team documentation with Git-backed storage.
• Create educational wikis or course notes with math and code highlighting.
• Publish lightweight project docs or knowledge bases with a web interface.

Conclusion: Gitit provides a compact, version-controlled wiki workflow with Pandoc-based authoring and pluggable extensions. It is well-suited for personal, team, or small-scale documentation needs.

django-wiki is an extensible wiki application for Django that provides a full-featured knowledge base you can integrate into an existing Django project. It focuses on a strong, familiar web UI while keeping customization and extension within standard Django patterns.

Key Features

• Markdown-based content editing with a built-in web interface
• Built-in revision system for page history and rollback
• Hierarchical page structure for organizing content
• Permissions and access control suitable for teams and organizations
• Pluggable architecture for extending functionality without forking
• Template and theming customization via Django templates and SCSS

Use Cases

• Internal team documentation and engineering knowledge bases
• Product or project documentation embedded into a Django site
• Community or organization wikis with structured permissions

Limitations and Considerations

• Customization typically requires Django knowledge (templates, URLs, plugins)
• Markdown rendering is a core part of the system and is not intended to be swapped out

django-wiki is a solid choice when you want a wiki tightly integrated with Django’s models, authentication, and admin ecosystem. Its extension points and stable APIs make it well-suited for long-lived documentation deployments within Django projects.

An Otter Wiki is a lightweight wiki for collaborative content management. Pages are stored as Markdown files in a Git repository, providing built-in version tracking and a simple, clean editing experience.

Key Features

• Git-backed storage with full changelog, page history, diffs, and revert support
• Markdown editor with highlighting and conveniences (including tables)
• Extended Markdown support (tables, footnotes, alerts, fancy blocks, and Mermaid diagrams)
• File attachments and image pasting/uploading into pages
• User authentication with self-registration and password recovery
• Minimalistic interface with dark-mode support
• Customizable sidebar with menu and/or page index
• Experimental Git HTTP server to clone, pull, and push wiki content

Use Cases

• Team documentation and internal knowledge bases with auditable history
• Personal or small-group notes where Git-based workflows are preferred
• Project wikis that need attachments and easy revision comparison

Limitations and Considerations

• The built-in Git HTTP server is marked experimental and may not fit all production workflows

An Otter Wiki is a solid choice if you want a simple, readable wiki that keeps content in plain files and leverages Git for tracking and recovery. It works well for small teams and projects that value minimal UI and straightforward content management.

Alexandrie is a fast, modern web application for taking and organizing notes using an extended Markdown format. It combines a distraction-free editor with structured organization to support personal knowledge bases and technical documentation.

Key Features

• Enhanced Markdown editor with extended syntax for structured notes
• Workspaces, categories, nested documents, and tags for organization
• Instant search across notes
• Sharing via links and a permissions system
• Export and print options including PDF and Markdown
• Offline access via PWA support

Use Cases

• Personal knowledge management for students, creators, and knowledge workers
• Team-shared documentation with controlled access and share links
• Building a structured Markdown-based knowledge base with exportable content

Limitations and Considerations

• Some functionality (such as file assets/attachments) depends on configuring S3-compatible object storage

Alexandrie is a strong choice for users who want a Markdown-first notes app with modern UX, flexible organization, and sharing controls. It fits well for both personal note-taking and lightweight knowledge base workflows.

XWiki is an extensible, enterprise-focused wiki platform implemented in Java that provides runtime services for building collaborative applications and structured content. It is maintained as an open-source project and distributed under the LGPL license.

Key Features

• WYSIWYG and wiki-syntax editors with realtime collaboration support.
• Fine-grained rights and access management for spaces, pages and applications.
• Extension ecosystem with 900+ apps and an Extension Manager for installing apps, macros and skins.
• Structured data and in-page scripting to build small applications inside wiki pages (forms, classes, live tables).
• Packaged as a Java web application with Maven-based builds, CI pipelines, and a public source repository on GitHub.

Use Cases

• Internal knowledge bases and collaborative intranets for teams and enterprises.
• Documentation portals and product documentation sites that require structured content and versioning.
• Lightweight web applications built inside the wiki (custom apps, workflows, procedures) using XWiki's structured data and scripting.

Limitations and Considerations

• XWiki is a Java web application that requires a Java runtime, a servlet container (Tomcat, Jetty, GlassFish, etc.) and a relational database; proper configuration and JVM resources are important for production scalability.
• Persistence relies on Hibernate, so supported database backends align with Hibernate support; some tuning or specific dialect configuration may be necessary for non-standard databases.

XWiki combines a full-featured wiki editor, structured-content capabilities and an extensions ecosystem to serve knowledge management and internal application needs. The project is actively developed with releases and an open GitHub repository containing the Maven-based sources.

Scoold is an open source Q&A and knowledge sharing web app inspired by Stack Overflow, designed for internal teams and communities. It runs as a Spring Boot application and uses a separate backend service (Para) for persistence, search, and multi-tenancy.

Key Features

• Full Q&A workflow: questions, answers, comments, voting, reputation, and badges
• Spaces (teams) for grouping and isolating users and content
• Full-text search (provided via the Para backend and its search integrations)
• REST API defined with OpenAPI for automation and integrations
• Webhooks for create/update/delete events with signed payloads
• Multiple authentication options including password login, OAuth2/social login, and LDAP (SAML and more in Pro)
• Server-rendered, SEO-friendly pages with a lightweight frontend
• Backup and restore for exporting and importing instance data

Use Cases

• Internal engineering or IT Q&A to reduce repeated questions and tribal knowledge loss
• Company knowledge base with structured discussions and searchable answers
• Support and community-style forums for products or teams

Limitations and Considerations

• Requires a separately deployed Para backend service to function, which adds operational complexity

Scoold is a solid choice when you want a familiar Stack Overflow-like experience with team-oriented organization features and an API for automation. Its separation between the web app and Para backend can also help with scaling and multi-tenant setups.

Typemill is a lightweight, open-source flat-file CMS designed for documentation, manuals, knowledge bases and eBook publishing. It stores content as Markdown/YAML files, provides an author-friendly editor and a plugin/theme system for extensions and custom layouts.

Key Features

• Flat-file content storage using Markdown and YAML (no database required).
• Author-friendly visual block editor plus raw Markdown editing and versioning tools.
• eBook generation (PDF and EPUB) via an eBook plugin and customizable layouts.
• Built with Slim PHP core, Vue.js frontend components and Tailwind CSS; Twig templates and Symfony event dispatcher are used for theming and extensibility.
• Media library, user management, access control and an optional REST API for integrations.
• Kixote: a conversational/command-style AI interface for authoring and admin commands; supports external AI providers via API keys.
• Plugin and theme ecosystem (free and paid), plus a demo installation for testing.

Use Cases

• Producing and publishing product manuals, technical documentation, and company handbooks.
• Building knowledge bases or help centers for small to mid-sized teams and organizations.
• Creating publication projects or small eBook catalogs with single-source publishing (website + PDF/EPUB).

Limitations and Considerations

• Requires PHP 8.1 or higher and typical PHP extensions (gd, mbstring, fileinfo, session, iconv); some plugins (e.g., eBook features) may require extra extensions like php-xml or php-zip.
• Advanced full-text search and certain theme/plugin features may require paid MAKER/BUSINESS licenses or installing specific plugins (e.g., Bettersearch for full-text search).

Typemill provides a focused, extensible platform for structured documentation and publishing workflows, balancing a small footprint with plugin-driven capabilities. It is suitable for teams that prefer Markdown-first content and want self-hosted control with optional premium plugins for advanced features.

Wiki-Go is a modern, databaseless flat-file wiki platform built with Go. It stores content as Markdown in a flat-file structure and offers features for knowledge bases, documentation, and collaboration without requiring an external database.

Key Features

• Full Markdown editing with emoji, Mermaid diagrams, and LaTeX math
• Smart full-text search with highlighting and advanced filters
• Hierarchical page structure with version history
• User management, access control, and private wiki mode
• Comments with moderation and markdown support
• No external database; file-based storage, easy backups
• Instant setup via Docker or prebuilt binaries
• Custom logos, banners, shortcodes, and more
• Link management with automatic metadata fetching and categorization
• Interactive Kanban boards for project management

Use Cases

• Team documentation and internal wikis for product teams
• Public documentation portals and knowledge bases
• Personal knowledge bases and collaborative projects

Limitations and Considerations

• Non-SSL setups require allow_insecure_cookies: true; this reduces security and should only be used in trusted networks; TLS is recommended for production.
• Default admin credentials exist; change them immediately after first login to secure the wiki.

Conclusion

Wiki-Go provides a lightweight, self-contained wiki workflow with Markdown-centric content, easy deployment via Docker or binaries, and no external database dependencies, making it suitable for teams and individuals for knowledge management.

Wiki|Docs is a lightweight, databaseless wiki and documentation engine that stores content as plain Markdown files. It provides a WYSIWYG editor, attachments, image uploads, revision history and a generated index/sitemap for simple documentation sites.

Key Features

• Databaseless flat-file storage using plain Markdown files and directory namespaces
• WYSIWYG editor plus Markdown editing with KaTeX support for math rendering
• Unlimited page revisions and built-in versioning of documents
• Upload and manage attachments and images (including clipboard image paste)
• Automatic generated index and sitemap for content discovery
• Support for public and private browsing modes, syntax highlighting, multi-language and dark mode
• Deployable via Docker with bundled Apache/PHP; configuration examples for Apache and Nginx included

Use Cases

• Internal team knowledge base or product documentation for small-to-medium projects
• Project wiki for technical documentation and collaborative notes
• Lightweight public documentation site where a database is unnecessary

Limitations and Considerations

• Flat-file storage can limit scalability for very large sites or high-concurrency write workloads
• Advanced full-text search and enterprise features are not provided out of the box and may require external tooling
• Being PHP/Apache-based, deployments require a PHP runtime and appropriate web server configuration

Wiki|Docs is suitable for users who want a simple, file-based wiki with revision history and easy deployment. It is optimized for straightforward documentation workflows but may need additional tooling for large-scale search or enterprise integrations.