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AppFlowy vs SiYuan

Learn how AppFlowy and SiYuan differ in their key features, development activity, technology stack and community adoption, so you can decide which of these personal knowledge management (pkm) tools 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
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Screenshot of AppFlowy
Favicon of SiYuan

SiYuan

Personal knowledge management system with WYSIWYG block editing, bidirectional links, spaced repetition flashcards, a relational database, and end-to-end encrypted sync.
  • Stars


    44,253
  • Forks


    2,824
  • Last commit


    5 hours ago
  • Repository age


    6 years
  • License


    AGPL-3.0
  • Self-hosted


    Yes
View Repository

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Screenshot of SiYuan

Detailed Comparison

Both AppFlowy and SiYuan 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 44,253 stars for SiYuan. The 62% 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 SiYuan 5 hours ago.

Comparable
Technology Stack

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

Comparable
Project Maturity

Both projects started around the same time, with AppFlowy beginning 5 years ago and SiYuan 6 years ago.

Comparable
Licensing

Both projects use the AGPL-3.0 license, providing identical terms for usage and distribution.

Comparable
Use Cases & Features

Both tools serve similar use cases in Personal Knowledge Management (PKM). However, they also have distinct specializations: AppFlowy also focuses on Task Management, Collaborative Notes & Wikis while SiYuan extends into Note-Taking.

Comparable
Hosting & Deployment

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