Overflow.io is a user flow diagramming tool for product design teams, enabling designers to communicate their work through interactive presentations.

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Get a dedicated desktop app for Overflow.io on Mac, Windows, and Linux with WebCatalog Desktop.

  • Launch Overflow.io directly from your Dock or taskbar.
  • Work without distractions in a dedicated window, separate from your browser tabs.
  • Manage multiple Overflow.io accounts and switch between them without logging out.

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Overflow is for product designers, UX teams and product managers who need to map user journeys and explain how interface screens fit together. Bring in designs from Figma, Sketch, Adobe XD or Photoshop, or use screenshots and shapes. Arrange screens into flows, connect interactions with connectors or hotspots, and add labels, annotations and device frames. You can organize complex work across boards and subflows, then present it as an interactive overview, a screen-by-screen prototype or a guided walkthrough for design reviews and stakeholder feedback. Share presentations through a link or embed, collect comments, collaborate with document editors, or export diagrams as PDF or PNG. Overflow is a desktop app for macOS and Windows; shared presentations can be viewed in a web browser.

Disclaimer: WebCatalog is not affiliated, associated, authorized, endorsed by or in any way officially connected to Overflow.io. All product names, logos, and brands are property of their respective owners.

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