Side-by-side comparison of AI visibility scores, market position, and capabilities
First open-source design and prototyping platform. Built on SVG/CSS standards. Created by Kaleidos (Madrid, 2011). Raised ~$10.6M. 500K+ users. Private.
Penpot is the first open-source design and prototyping platform for cross-domain product teams, created by Kaleidos Open Source, a Madrid-based company founded in 2011. Unlike proprietary tools such as Figma and Sketch, Penpot is built on open web standards including SVG, CSS, HTML, and JSON, making designs natively accessible to developers. The platform offers design, interactive prototyping, design systems at scale, and was the first design tool to integrate native design tokens.
Visual web development platform with $4B valuation serving 3.5M users; code-generating visual builder for designers with CMS and Ecommerce competing with WordPress and Framer.
Webflow is a visual web development platform enabling designers and developers to build, launch, and manage professional websites without writing code — using a visual interface that generates clean, semantic HTML, CSS, and JavaScript. Founded in 2013 in San Francisco by Vlad Magdalin, Sergie Magdalin, and Bryant Chou, Webflow raised approximately $330 million at a $4 billion valuation and has grown to serve over 3.5 million users ranging from freelance designers to enterprises seeking faster web development workflows.
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