Side-by-side comparison of AI visibility scores, market position, and capabilities
$127-176M revenue 2025; 594 employees Dec 2024; Frost & Sullivan 2025 Innovation Award; Header Tag most-used header-bidding tech 2024; programmatic ad market $595B 2024 to $800B 2028; SSP leader
Index Exchange is a global advertising marketplace that connects publishers and advertisers through programmatic advertising technology, enabling automated buying and selling of digital ad inventory. The company serves digital publishers, app developers, and advertisers who need transparent, efficient access to premium advertising inventory across display, video, and mobile formats. Index Exchange provides a neutral, independent exchange platform that maximizes yield for publishers while giving advertisers access to quality inventory through real-time bidding, private marketplace deals, and direct integrations with major demand sources.
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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