Mockingbird : Mockingbird is an online tool that makes it easy for you to create, link together, preview, and share mockups of your website or application.
HTML email templates : Easily create beautiful, branded email marketing campaigns. Start by choosing one of our free HTML email templates and customize it in minutes.
Figproxy : Figproxy is a tool that enables rapid prototyping of tangible user experiences allowing Figma prototypes to talk to the external world.
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Open Design : Local-first, open-source alternative to Anthropic's Claude Design
