Figma
figma.com
Where most product design still happens
ToolsFreemiumWeb
Penpot
Open-source design and prototyping
Live site
penpot.app
Preview Penpot inline
Loads the real site in a frame. Some sites block embedding — if it comes up blank, use Open instead.
What it is
Self-hostable, standards-based (SVG under the hood) and free. The credible open alternative when Figma's licensing or lock-in is a problem.
Tags
open-sourceself-hostedprototyping
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