Design work no longer requires expensive desktop software. These online tools cover UI design, graphics, diagrams, and visual collaboration. Most run in the browser; some have desktop apps.

We've included tools for different skill levels—from drag-and-drop for non-designers to professional-grade interfaces for teams. Real-time collaboration is common, so you can work with clients and colleagues without version conflicts.

Pricing varies. Many offer free tiers; paid plans add more features and team seats.

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