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Gliffy vs Trelby

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

Gliffy icon
Gliffy
Trelby icon
Trelby

Gliffy vs Trelby: The Verdict

⚡ Summary:

Gliffy: Gliffy is an online diagram and flowchart software. It allows users to easily create flowcharts, UML diagrams, wireframes, and more. Gliffy has built-in templates, shapes, and connectors to allow for fast diagramming.

Trelby: Trelby is a free, open-source screenwriting program for Windows, Linux and macOS. It provides tools for writing, formatting and navigating screenplays with automatic script formatting, character name database and reporting tools. Trelby is lightweight, customizable and easy to use for all levels of screenwriters.

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 Gliffy Trelby
Sugggest Score
Category Office & Productivity Office & Productivity
Pricing Subscription Open Source

Product Overview

Gliffy
Gliffy

Description: Gliffy is an online diagram and flowchart software. It allows users to easily create flowcharts, UML diagrams, wireframes, and more. Gliffy has built-in templates, shapes, and connectors to allow for fast diagramming.

Type: software

Pricing: Subscription

Trelby
Trelby

Description: Trelby is a free, open-source screenwriting program for Windows, Linux and macOS. It provides tools for writing, formatting and navigating screenplays with automatic script formatting, character name database and reporting tools. Trelby is lightweight, customizable and easy to use for all levels of screenwriters.

Type: software

Pricing: Open Source

Key Features Comparison

Gliffy
Gliffy Features
  • Drag-and-drop interface for easy diagramming
  • Various templates for flowcharts, UML diagrams, network diagrams, etc
  • Real-time collaboration for working with teams
  • Import/export options to integrate with other tools
  • Intuitive formatting options for shapes, lines, fonts, etc
  • Automatic layouts and alignment helpers
  • Connectors between shapes with auto-routing
  • Extensive shape library for all diagram types
  • Integrates with platforms like Confluence, Jira, Google Drive
Trelby
Trelby Features
  • Automatic script formatting
  • Character name database
  • Reporting tools
  • Tools for writing, formatting and navigating screenplays
  • Lightweight and easy to use
  • Customizable

Pros & Cons Analysis

Gliffy
Gliffy

Pros

  • User-friendly and easy to learn
  • Good variety of templates and shapes
  • Real-time collaboration feature
  • Integrates with many popular platforms
  • Offers both free and paid versions

Cons

  • Can be slow and buggy at times
  • Limited features on free version
  • Formatting options not as extensive as desktop apps
  • No offline access
Trelby
Trelby

Pros

  • Free and open source
  • Available on Windows, Linux and macOS
  • Good for all levels of screenwriters
  • Has essential screenwriting features

Cons

  • Limited features compared to paid options
  • Basic interface
  • Lacks collaboration features

Pricing Comparison

Gliffy
Gliffy
  • Subscription
Trelby
Trelby
  • Open Source

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