Open Source Alternatives to Notion
A note-taking and knowledge-management platform that lets individuals and teams create, organize, and share documents, databases, and project pages in a unified workspace.
Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Notion give you an option you fully own. Run them on your own server or desktop, so your data stays under your control. This page lists 46 open source alternatives to Notion. The most popular are AppFlowy, Affine and Memos. Most use the AGPL-3.0 or MIT license, and 33 offer an official Docker image.
AppFlowy
A collaborative workspace for notes and databases that provides data ownership and native cross platform support.
Affine
A local-first knowledge base that merges structured documents, infinite whiteboards, and databases into one workspace.
Memos
A self-hosted note-taking tool for quick capture using a timeline-first interface and markdown-native formatting.
Joplin
Manage notes and to-do lists with markdown support, end-to-end encryption, and synchronization across multiple cloud services.
SiYuan
A privacy first personal knowledge management system with block level references and markdown WYSIWYG editing.
Logseq
A privacy-first knowledge management platform using bidirectional linking and outlines to organize notes and tasks.
Outline
A collaborative knowledge base for teams to create internal documentation and wikis with real-time editing capabilities.
Trilium
A hierarchical note taking application designed for building large, scriptable personal knowledge bases with visual mapping.
Wiki.js
A lightweight wiki application built on Node.js for creating and managing collaborative documentation and knowledge bases.
Huly
Integrates project management, team chat, CRM, and collaborative documents into a single self-hosted business application framework.
Docmost
A self-hosted collaborative wiki and documentation platform for managing internal knowledge bases with real-time editing capabilities.
Tolaria
Manage markdown knowledge bases using git version control and direct AI model integration without requiring accounts.
Docs
A collaborative editor for writing and organizing knowledge through real-time editing and structured document hierarchies.
AITable
A visual database platform for building spreadsheets and internal tools with automated APIs and real-time collaboration.
Gollum
A git-based wiki system that provides a web interface for managing markup files in a repository.
Note-gen
A cross-platform markdown note application that uses AI to transform raw captures into structured documentation.
Blinko
A self-hosted card note taking application that uses retrieval augmented generation to search notes via natural language.
TiddlyWiki
A non-linear personal web notebook and interactive wiki implemented as a single HTML file or Node.js application.
AnyType
A local-first personal knowledge base for managing notes, tasks, and databases with peer-to-peer encrypted synchronization.
HedgeDoc
Create and edit markdown notes in real time with a collaborative editor for teams and individuals.
massCode
A local first developer workspace combining code snippets, markdown notes, and an integrated HTTP client.
Standard Notes
A cross platform note taking application featuring end to end encryption and synchronization across unlimited devices.
SilverBullet
A programmable personal knowledge database using Markdown and Lua for extensible note taking and data management.
Colanode
A local-first collaboration workspace combining real-time chat, rich text pages, databases, and file management for teams.
BoostNote-App
A document driven project management and note taking tool designed for DevOps and remote development teams.
Deta Surf
A browser and notebook hybrid for researching, summarizing, and organizing web pages, PDFs, and videos in one place.
tududi
A self-hosted task and project management system with hierarchical organization and CalDAV synchronization support.
flatnotes
A self-hosted, database-less note taking web app that utilizes a flat folder of markdown files.
Raneto
A simple Markdown powered knowledge base for Node.js that stores all content in flat files.
Documize
A self-hosted knowledge management solution for organizing and unifying internal and customer-facing technical documentation.
MarkFlowy
A lightweight markdown editor with integrated AI capabilities for content summarization and multi language translation.
Lotion
A desktop client for Notion that provides a multi-tab interface and custom themes for Linux users.
TidGi
A local-first knowledge management tool based on TiddlyWiki with integrated Git backup and blogging capabilities.
jotty·page
A self-hosted application for managing personal checklists and notes using a file-based storage system.
django-wiki
A modular wiki system for Django that uses Markdown and structured data for knowledge management.
Atomic Server
A lightweight headless CMS and graph database for creating, sharing, and modeling linked atomic data.
Beaver Notes
A local-first note-taking application providing Markdown support, note linking, and encrypted storage for personal knowledge management.
Zen
A minimal note taking application that stores markdown notes in a local sqlite database with full text search.
Many Notes
A Markdown note-taking web application that stores files in the filesystem for full user control.
LeafWiki
A self-hosted wiki that uses a single Go binary and stores Markdown files on disk with SQLite.
Note Mark
A minimal web-based markdown notes application with a responsive interface and local file storage.
LeoMoon Wiki-Go
A databaseless flat-file wiki platform for creating knowledge bases and documentation using Markdown files.
Operately
Centralizes goals, projects, and processes through an opinionated operating system designed for startups and small organizations.
Storyden
A community platform combining discussion forums, wiki functionality, and content curation for building permanent and discoverable knowledge bases.
Darkwrite
An offline first note editor with rich text formatting, custom themes, and local storage for private note taking.
Orgnise
A knowledge base and project management platform for creating wikis, technical documentation, and tracking team task progress.
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