Potamus

Potamus

Potamus is a free, open-source diagramming and wireframing tool for creating sitemaps, flowcharts, wireframes, and more. It has a simple and intuitive drag-and-drop interface to easily arrange shapes and connectors on a canvas.
Potamus image
diagramming wireframing flowcharts sitemaps

Potamus: Free Diagramming and Wireframing Tool

A free, open-source diagramming and wireframing tool for creating sitemaps, flowcharts, wireframes, and more with a simple drag-and-drop interface.

What is Potamus?

Potamus is a free, open-source diagramming and wireframing application used to create sitemaps, flowcharts, wireframes, and more for websites and software projects. It features an easy-to-use drag-and-drop interface that allows users to quickly add shapes like rectangles, circles, arrows from a toolbar and arrange them on an infinite canvas.

Some key features include:

  • Drag-and-drop workflow to easily create diagrams
  • Resizable shapes and connectors
  • Undo and redo to quickly fix mistakes
  • Export diagrams as PNG, JPG, SVG, PDF and more
  • Embed images and icons into diagrams
  • Create multi-page diagrams and sitemaps
  • Supports flowcharts, UML diagrams, ER diagrams, network diagrams
  • Completely free and open-source software

With its user-friendly interface and numerous diagram types supported, Potamus is a great choice for creating detailed and multi-page sitemaps, wireframes as well as more complex technical diagrams like flowcharts and entity relationship diagrams for both personal and professional projects.

Potamus Features

Features

  1. Drag-and-drop interface
  2. Diagramming and wireframing
  3. Create sitemaps, flowcharts, wireframes
  4. Customizable shapes and connectors
  5. Export as PNG, JPG, PDF, SVG

Pricing

  • Open Source
  • Free

Pros

Free and open source

Simple and intuitive to use

Active community support

Cross-platform - works on Windows, Mac, Linux

Can be self-hosted

Cons

Limited built-in shape library

Lacks advanced diagramming features

Not many customization options

No mobile or tablet apps


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