Side-by-side comparison of AI visibility scores, market position, and capabilities
Open-source hand-drawn collaborative whiteboard with 95,000+ GitHub stars used by Google, Meta, and Notion; Excalidraw+ paid tier competing with Miro and FigJam for developer and technical team diagramming.
Excalidraw is an open-source virtual whiteboard application for creating hand-drawn-aesthetic diagrams, flowcharts, wireframes, and collaborative sketches — built by Excalidraw s.r.o. in Brno, Czech Republic — with end-to-end encrypted real-time collaboration, a free open-source self-hosted option, and a paid Excalidraw+ tier ($7/month) providing cloud workspaces, presentations, voice collaboration, expanded AI diagram generation, and team access management. Trusted by engineering and product teams at Google Cloud, Meta, CodeSandbox, Obsidian, Replit, and Notion, Excalidraw has become the dominant open-source collaborative whiteboarding tool in the developer and technical community.
Montreal zero-fee nonprofit fundraising platform with $1B+ processed; 100% donation pass-through via optional donor tips competing with Donorbox and Classy for nonprofit fundraising technology adoption.
Zeffy is a Montreal-based fundraising platform for nonprofit organizations that charges zero platform fees on donations — asking donors to optionally contribute a tip to cover Zeffy's operating costs rather than deducting fees from each donation, ensuring 100% of every donated dollar reaches the nonprofit cause. Founded in 2019 by Thibaut Davoult and Nicolas Lafleur, Zeffy has processed $1+ billion in nonprofit donations and provides a comprehensive suite including online donation forms, event ticketing, peer-to-peer fundraising campaigns, recurring donation management, and membership management — giving nonprofits a full fundraising platform at genuinely zero cost.
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