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Knowledge Base & Wiki Applications

Open‐source applications that enable users to organize, manage, and curate information with integrated wiki, note‐taking, and planning features.

40 projects

31,343 contributors

$160M

Most contributors

Logseq

Logseq is an open-source knowledge management and note-taking platform that emphasizes privacy and local-first data storage. It features bi-directional linking, graph visualization, and supports both Markdown and Org-mode formats for creating personal knowledge bases and collaborative documentation.

Contributors

5,491

Organizations

911

Software value

$8.9M

BookStack

BookStack is a self-hosted, open-source platform for organizing and storing documentation in a wiki-like format. It provides a user-friendly interface for creating, organizing and sharing documentation with features like WYSIWYG editing, page organization, search, and access control.

Contributors

4,753

Organizations

735

Software value

$7.8M

Outline

Outline is an open-source team knowledge base and wiki software that enables teams to create, share, and collaborate on internal documentation. It features a modern editor, real-time collaboration, version control, and integrations with popular workplace tools.

Contributors

3,288

Organizations

882

Software value

$8.1M

AppFlowy

AppFlowy is an open-source alternative to Notion, providing a collaborative workspace for note-taking, knowledge management, and project organization with a focus on privacy and data ownership. It features a rich text editor, databases, and customizable workspaces while allowing users to maintain control of their data through self-hosting capabilities.

Contributors

2,850

Organizations

429

Software value

$17M

AFFiNE.Pro

AFFiNE.Pro is a privacy-focused knowledge management and collaborative workspace platform that combines note-taking, whiteboarding, and document editing capabilities. It offers both local-first and cloud sync options, emphasizing data ownership and cross-platform accessibility.

Contributors

2,766

Organizations

429

Software value

$34M

Zettlr

Your One-Stop Publication Workbench

Contributors

2,414

Organizations

408

Software value

$3.9M

SiYuan

SiYuan is a local-first personal knowledge management system that supports block-level reference and Markdown WYSIWYG editing. It focuses on privacy, data security, and efficient note organization through features like block-level references, bidirectional linking, and custom attributes.

Contributors

2,271

Organizations

177

Software value

$10M

QOwnNotes

QOwnNotes is a plain-text file notepad and todo-list manager with Markdown support and Nextcloud / ownCloud integration.

Contributors

1,581

Organizations

231

Software value

$32M

Quartz

Quartz is a static site generator and digital garden template that transforms Markdown files into a personal knowledge base or documentation website. It features bi-directional links, full-text search, graph visualization, and is designed for easy deployment to GitHub Pages.

Contributors

1,484

Organizations

332

Software value

$838K

Freeplane

Freeplane is an open-source mind mapping and knowledge management software that allows users to create, organize and share structured information visually. It enables users to create hierarchical mind maps with nodes, connect ideas with links, add formatting, and integrate external resources.

Contributors

1,331

Organizations

Software value

$12M

Quivr

Opiniated RAG for integrating GenAI in your apps 🧠 Focus on your product rather than the RAG. Easy integration in existing products with customisation! Any LLM: GPT4, Groq, Llama. Any Vectorstore: PGVector, Faiss. Any Files. Anyway you want.

Contributors

1,277

Organizations

147

Software value

$512K

phpMyFAQ

phpMyFAQ - Open Source FAQ web application for PHP 8.2+ and MySQL, PostgreSQL and other databases

Contributors

735

Organizations

Software value

$8.4M

Anytype Desktop

Official Anytype client for MacOS, Linux, and Windows

Contributors

541

Organizations

120

Software value

$7M

Hypothesis Client

Annotate with anyone, anywhere.

Contributors

309

Organizations

Software value

$10M

Glamorous Toolkit

Glamorous Toolkit is the Moldable Development environment. It empowers you to make systems explainable through experiences tailored for each problem.

Contributors

252

Organizations

Software value

$101K

AFFiNE

There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source, customizable and ready to use.

This project hasn't been onboarded to LFX Insights.

ArchiveBox

🗃 Open source self-hosted web archiving. Takes URLs/browser history/bookmarks/Pocket/Pinboard/etc., saves HTML, JS, PDFs, media, and more...

This project hasn't been onboarded to LFX Insights.

Collectives

Collectives is a Nextcloud App for activist and community projects to organize together.

This project hasn't been onboarded to LFX Insights.

GroupOffice

Group Office groupware and CRM

This project hasn't been onboarded to LFX Insights.

Joplin

Joplin - the privacy-focused note taking app with sync capabilities for Windows, macOS, Linux, Android and iOS.

This project hasn't been onboarded to LFX Insights.

Kitsune

Platform for Mozilla Support

This project hasn't been onboarded to LFX Insights.

MaxKB

💬 Ready-to-use & flexible RAG Chatbot, supporting mainstream large language models (LLMs) such as DeepSeek-R1, Llama 3.3, Qwen2, OpenAI, and more.

This project hasn't been onboarded to LFX Insights.

MediaWiki

🌻 The collaborative editing software that runs Wikipedia. Mirror from https://gerrit.wikimedia.org/g/mediawiki/core. See https://mediawiki.org/wiki/Developer_access for contributing.

This project hasn't been onboarded to LFX Insights.