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.
Last 30 days
Last commit
Repository age
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Self-hosted
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Last 30 days
Last commit
Repository age
Version
License
Self-hosted
Repository

Both AppFlowy and Outline have their unique strengths and serve similar purposes effectively. Consider your specific needs regarding popularity, growth, activity, technology, maturity, licensing and features when making your decision.
AppFlowy leads in popularity with 77,098 stars vs 40,793 stars for Outline. The 89% higher star count indicates stronger community adoption. In terms of developer contributions, AppFlowy has 6,050 forks, indicating strong developer engagement.
AppFlowy and Outline are moving at much the same rate, adding 862 stars and adding 358 stars respectively over the last 30 days (+1.1% vs +0.9%). Neither is pulling away from the other on momentum alone.
Both projects show recent activity, with AppFlowy last updated 3 days ago and Outline 23 hours ago.
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, Swift, C++, Kotlin, MATLAB, Dart while Outline leverages Typescript, JSX.
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.
The projects use different licenses: AppFlowy is licensed under AGPL-3.0 while Outline uses BUSL-1.1. Consider the licensing requirements when choosing for your project.
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.
Both AppFlowy and Outline offer self-hosting capabilities, giving you full control over your data and infrastructure.
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