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ClassGen vs OpenAsar

Professional comparison and analysis to help you choose the right software solution for your needs.

ClassGen icon
ClassGen
OpenAsar icon
OpenAsar

ClassGen vs OpenAsar: The Verdict

⚡ Summary:

ClassGen: ClassGen is open source software that helps developers generate class diagrams and UML models quickly from existing code. It supports multiple languages and can help analyze codebases and visualize their structure in an intuitive format.

OpenAsar: OpenAsar is an open-source replacement for the proprietary ASAR archive format used by Electron apps. It allows developers to inspect, modify, and repackage Electron app content more easily.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature ClassGen OpenAsar
Sugggest Score
Category Development Development
Pricing Open Source Open Source

Product Overview

ClassGen
ClassGen

Description: ClassGen is open source software that helps developers generate class diagrams and UML models quickly from existing code. It supports multiple languages and can help analyze codebases and visualize their structure in an intuitive format.

Type: software

Pricing: Open Source

OpenAsar
OpenAsar

Description: OpenAsar is an open-source replacement for the proprietary ASAR archive format used by Electron apps. It allows developers to inspect, modify, and repackage Electron app content more easily.

Type: software

Pricing: Open Source

Key Features Comparison

ClassGen
ClassGen Features
  • Reverse engineers code into UML class diagrams
  • Supports Java, C#, C++, PHP and Python code
  • Generates class, sequence, activity and state diagrams
  • Analyzes dependencies between classes and packages
  • Customizable layout and diagram aesthetics
  • Command line and GUI versions available
  • Integrates with popular IDEs like Eclipse and Visual Studio
  • Open source and cross platform
OpenAsar
OpenAsar Features
  • Unpacks and repacks ASAR files
  • Inspects and modifies app content
  • Open source and cross-platform
  • Command line interface
  • JavaScript API

Pros & Cons Analysis

ClassGen
ClassGen

Pros

  • Automates and speeds up diagram creation
  • Helps understand unfamiliar codebases quickly
  • Visualizes complex architectures intuitively
  • Reduces effort to maintain diagrams and documentation
  • Free and open source tool with active community

Cons

  • Limited support for some advanced UML diagram types
  • Steep learning curve for new users
  • GUI version lacks some features of command line tool
  • Does not integrate seamlessly with all IDEs
  • Reverse engineering can be slow for very large projects
OpenAsar
OpenAsar

Pros

  • Free and open source
  • Allows modifying Electron apps
  • Better than proprietary ASAR format
  • Active development and support

Cons

  • Less widely used than ASAR format
  • Requires learning new tool
  • Less support from Electron compared to ASAR
  • Potential compatibility issues

Pricing Comparison

ClassGen
ClassGen
  • Open Source
OpenAsar
OpenAsar
  • Open Source

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