Overflow.io vs. Gliffy

Overflow is the world’s first user flow diagramming tool tailored for product design teams. It offers a new, impactful way for designers to effectively communicate their work, while fully engaging their audience with an interactive user flow presentation.

Gliffy's diagramming applications make it easy to communicate and collaborate at the speed of your ideas. Whether you're using Gliffy in Confluence and Jira or jumping into our standalone diagramming tool, Gliffy Online, you'll find an intuitive way to draw diagrams. Drag and drop your way to professional-looking flowcharts, UML diagrams, entity-relationship diagrams, and more in just a few clicks. Plus, you can now build your diagrams using code with Mermaid js. Use a template to make a mind map or concept map while brainstorming.