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.
All-in-one workspace with $10B valuation serving 30M users; flexible block-based notes, databases, and wikis with Notion AI assistant competing with Confluence and Coda for teams.
Notion is an all-in-one workspace platform combining notes, wikis, databases, project management, and documents in a flexible, block-based editor that allows teams and individuals to build customized productivity systems without code. Founded in 2016 in San Francisco by Ivan Zhao and Simon Last, Notion raised over $340 million at a $10 billion valuation and has grown to serve over 30 million users ranging from individual knowledge workers to enterprises using Notion as their company wiki and project management system.
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