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AppFlowy vs Outline

Learn how AppFlowy and Outline differ in their key features, development activity, technology stack and community adoption, so you can decide which of these collaborative notes & wikis is best for you.

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Favicon of AppFlowy

AppFlowy

Open source collaborative workspace combining notes, databases, and AI with full data ownership, offline support, and self-hosting options.
  • Stars


    71,743
  • Forks


    5,391
  • Last commit


    8 days ago
  • Repository age


    5 years
  • License


    AGPL-3.0
  • Self-hosted


    Yes
View Repository

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Screenshot of AppFlowy
Favicon of Outline

Outline

Team knowledge base with real-time collaboration, AI-powered search, Slack integration, and self-hosting support for internal docs and wikis.
  • Stars


    38,752
  • Forks


    3,321
  • Last commit


    5 hours ago
  • Repository age


    10 years
  • Self-hosted


    Yes
View Repository

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Screenshot of Outline

Detailed Comparison

Both AppFlowy and Outline have their unique strengths and serve similar purposes effectively. Consider your specific needs regarding popularity, activity, technology, maturity, licensing and features when making your decision.

AppFlowy wins
Community & Popularity

AppFlowy leads in popularity with 71,743 stars vs 38,752 stars for Outline. The 85% higher star count indicates stronger community adoption. In terms of developer contributions, AppFlowy has 5,391 forks, indicating strong developer engagement.

Comparable
Development Activity

Both projects show recent activity, with AppFlowy last updated 8 days ago and Outline 5 hours ago.

Comparable
Technology Stack

Both tools share common technology foundations, being built with JavaScript. However, they differ in their additional technology choices: AppFlowy uses Bash, Rust, C, Objective-C, Java, C++, Swift, Kotlin, MATLAB, Dart while Outline leverages Typescript, JSX.

Outline wins
Project Maturity

Outline has been in development longer, starting 10 years ago, compared to AppFlowy which began 5 years ago. This 5.1-year head start suggests Outline may have more mature features and established processes.

AppFlowy wins
Licensing

AppFlowy is licensed under AGPL-3.0, while Outline's license terms are not publicly specified.

Comparable
Use Cases & Features

Both tools serve similar use cases in Collaborative Notes & Wikis. However, they also have distinct specializations: AppFlowy also focuses on Personal Knowledge Management (PKM), Task Management while Outline extends into Wiki Software, Internal Knowledge Bases.

Comparable
Hosting & Deployment

Both AppFlowy and Outline offer self-hosting capabilities, giving you full control over your data and infrastructure.