Skip to content

FOFA vs Penly

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

FOFA icon
FOFA
Penly icon
Penly

FOFA vs Penly: The Verdict

⚡ Summary:

FOFA: FOFA is a powerful cybersecurity search engine that allows users to search for internet assets and retrieve detailed information about them. It has advanced search syntax and extensive coverage of devices, services, and data leaks.

Penly: Penly is a free and open-source note taking app for Windows, macOS and Linux. It allows users to create rich text documents, add images and attachments, organize notes into notebooks, collaborate with others and sync across devices. Penly has a clean and intuitive interface, supports tagging and search, and integrates with cloud services.

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 FOFA Penly
Sugggest Score
Category Security & Privacy Office & Productivity
Pricing Open Source

Product Overview

FOFA
FOFA

Description: FOFA is a powerful cybersecurity search engine that allows users to search for internet assets and retrieve detailed information about them. It has advanced search syntax and extensive coverage of devices, services, and data leaks.

Type: software

Penly
Penly

Description: Penly is a free and open-source note taking app for Windows, macOS and Linux. It allows users to create rich text documents, add images and attachments, organize notes into notebooks, collaborate with others and sync across devices. Penly has a clean and intuitive interface, supports tagging and search, and integrates with cloud services.

Type: software

Pricing: Open Source

Key Features Comparison

FOFA
FOFA Features
  • Comprehensive coverage of devices, services, and data leaks
  • Powerful search syntax and operators
  • Real-time search results
  • Threat intelligence integration
  • Customizable dashboards and reporting
  • Collaboration tools
  • API access
Penly
Penly Features
  • Rich text editing
  • Notebooks for organization
  • Collaboration
  • Cross-platform availability
  • Open source
  • Cloud sync
  • Search
  • Tags
  • Attachments
  • Clean and intuitive interface

Pros & Cons Analysis

FOFA
FOFA

Pros

  • Massive database of internet assets
  • Advanced search capabilities
  • Fast results
  • Useful for security research, recon, threat hunting
  • Integrates with other tools
  • Customizable interface
  • API enables automation

Cons

  • Expensive subscription plans
  • Limited free version
  • Requires training to master search syntax
  • Mostly focused on Chinese assets
Penly
Penly

Pros

  • Free and open source
  • Available on Windows, Mac and Linux
  • Supports rich formatting
  • Good organization with notebooks
  • Collaboration capabilities
  • Cloud sync
  • Powerful search and tagging
  • Can attach files
  • Clean and simple interface

Cons

  • Limited compared to proprietary options
  • Formatting not as robust as Word
  • No mobile apps
  • Collaboration could be better
  • Sync relies on third-party services
  • Some features still in development

Pricing Comparison

FOFA
FOFA
  • Not listed
Penly
Penly
  • Open Source

Related Comparisons

GoodNotes
Shodan
Stylus Labs Write
Xournal++
Censys
ZoomEye

Ready to Make Your Decision?

Explore more software comparisons and find the perfect solution for your needs