Self-Hosted Knowledge Management: 128 Open-Source Apps

sist2 is a simple incremental search tool for scanning files, extracting text and metadata, and providing a web-based search interface.

Koillection is a self-hosted collection manager for tracking physical collections such as books, DVDs, stamps, and games.

An AI executive assistant platform that provides a unified virtual leadership voice backed by specialist agents for strategy, finance, HR, legal, operations, marketing, product, and board communications.

A self-hosted, database-less note-taking web app that stores notes as markdown files in a flat folder.

Typemill is an open-source flat-file CMS for building websites and eBooks from markdown files.

Espial is an open-source, web-based bookmarking server.

ITFlow is a free and open-source platform for MSPs that combines IT documentation, ticketing, and accounting/billing in one system.

A private open-source bookmark manager for organizing large bookmark collections with advanced tagging and efficient search.

Wiki|Docs is a databaseless markdown flat-file wiki engine for creating and managing documentation pages.

TagSpaces is an offline-first platform for organizing, tagging, and managing local files across desktop and web.

AtomicServer is a lightweight CMS and graph database for creating, sharing, fetching, and modeling Atomic Data.

DailyTxT is an encrypted diary and journal web app with multi-user support, file uploads, search, templates, and export to HTML.

BookStack is an opinionated platform for storing, organizing, and documenting information.

A set of Alfresco Content Services community libraries and REST/API components packaged as JARs and a WAR for repository development and integration.

Talkyard is an open source forum software with chat, question-and-answer discussions, and anonymous blog comments.

Mycorrhiza Wiki is a lightweight file-system wiki engine that stores content in plain files and uses Git for history.

LeoMoon Wiki-Go is a Go-based flat-file wiki for creating and managing documentation, knowledge bases, and collaborative content without an external database.

Docat is a self-hosted tool for hosting multiple documentation projects with multiple versions.

Rails-based Q&A software for community-driven sites, powering Codidact.

Note Mark is a web-based Markdown notes app with a minimal, responsive UI.

Gollum is a git-based wiki system that lets users edit repository-backed pages in a web interface or with a local editor.

OpenOlat is a web-based learning management system for teaching, learning, assessment, and communication.

TeamMapper is a self-hosted collaborative mindmapping app for creating, sharing, and editing mindmaps in teams.

Tiny Tiny RSS is a free, open-source, web-based RSS/Atom feed reader and news aggregator.

Gitit is a wiki program written in Haskell that stores pages and uploads in a version control repository and serves them through a web interface.

Feeds Fun is a self-hosted news reader that automatically tags entries, lets users score them with rules, and filter and sort feeds by the tags they care about.

Colanode is an open-source, local-first collaboration workspace you can self-host for chat, documents, databases, and file management.

RSSMonster is an intelligent RSS reader and ranking engine that prioritizes articles using search expressions, semantic clustering, quality scoring, and feed trust.

Writer Computer is a free and open-source macOS markdown editor for working directly in plain-text folders and editing files in place.

Invenio App RDM is a research data management application for the InvenioRDM platform.

LibreKB is a self-hosted knowledge base web app for creating and managing articles.

A course management system for storing and presenting educational materials and supporting asynchronous e-learning.

plumio is a self-hosted markdown editor with live preview, document encryption, and multi-user, multi-organization support.

Raneto is a free, open, simple Markdown-powered knowledge base for Node.js.

A Q&A and knowledge sharing platform for teams, inspired by Stack Overflow.

OTOBO is a web-based open-source ticketing tool for service organizations, with ticketing, knowledge base, and ITSM/CMDB capabilities.

Many Notes is a Markdown note-taking web application for creating, importing, organizing, and sharing vault-based notes.

An open-source, vault-compatible cross-platform markdown notes app with Obsidian-like behavior.

Tsuzuri is a terminal-based block markdown notebook that keeps notes as plain Markdown files.

A team brainstorming app for creating, voting on, clustering, and commenting on ideas with live updates.

A collection of attorney-drafted legal template documents for startups and technology companies.

WackoWiki is a lightweight multilingual wiki engine that supports editing, access control, themes, file uploads, and email notifications.

Markdown note-taking app with plain-file storage, graph view, and MCP integration (alternative to Obsidian, Notion).

Documize Community is an open-source, self-hosted knowledge management platform for organizing customer-facing and internal documentation.

Self-hosted collaborative workspace for Typst.

datannur is an open-source, static-file-based data catalog that runs without a server or database.

Tracim is a unified collaboration platform for team communication, file sharing, task management, and project documentation.

Aleph is a tool for indexing large collections of documents and structured data for browsing, search, and cross-referencing entities against watchlists.