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Compare IT tools

Understand the differences before you shortlist.

Notion×

Obsidian×

AppFlowy×

Attribute	NotionOther license	ObsidianOther license	AppFlowyOpen source
Overview
Primary focus	Docs, wikis, and project work in one workspace	Local-first Markdown note-taking app with a plugin ecosystem	Open-source, privacy-first Notion alternative you can self-host
Deployment	Web	Not specified	Self-hosted
Source model	Other license	Other license	Open source
Pricing model	freemium	freemium	freemium
API available	Yes	Not specified	Not specified
Windows desktop	Yes	Not specified	Not specified
Mobile app	Yes	Not specified	Not specified
Overview	Notion combines pages, team wikis, task tracking, and flexible databases for organizing shared information and projects.	Obsidian is a local-first note-taking app that stores notes as plain Markdown files, extensible through a large community plugin ecosystem, free for personal use with paid Sync, Publish and commercial-license add-ons.	AppFlowy is an open-source workspace app for docs and wikis, offered as a desktop app backed by hosted AppFlowy Cloud or a self-hosted AppFlowy Cloud deployment.
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Vendor website	Visit vendor ↗	Visit vendor ↗	Visit vendor ↗
ITHub profile	View full profile →	View full profile →	View full profile →

Primary focus: Docs, wikis, and project work in one workspace
Deployment: Web
Source model: Other license
Pricing model: freemium
API available: Yes
Windows desktop: Yes
Mobile app: Yes
Overview: Notion combines pages, team wikis, task tracking, and flexible databases for organizing shared information and projects.

Primary focus: Local-first Markdown note-taking app with a plugin ecosystem
Deployment: Not specified
Source model: Other license
Pricing model: freemium
API available: Not specified
Windows desktop: Not specified
Mobile app: Not specified
Overview: Obsidian is a local-first note-taking app that stores notes as plain Markdown files, extensible through a large community plugin ecosystem, free for personal use with paid Sync, Publish and commercial-license add-ons.

Primary focus: Open-source, privacy-first Notion alternative you can self-host
Deployment: Self-hosted
Source model: Open source
Pricing model: freemium
API available: Not specified
Windows desktop: Not specified
Mobile app: Not specified
Overview: AppFlowy is an open-source workspace app for docs and wikis, offered as a desktop app backed by hosted AppFlowy Cloud or a self-hosted AppFlowy Cloud deployment.

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