List of the Top 1 Free Supply-Side Platforms (SSP) in 2025

FatTail is transforming the advertising sector by developing and implementing innovative solutions for sales, operations, and marketplace management, empowering publishers to take control of their business. At the core of our service offerings is a flexible Revenue Management Platform aimed at enhancing monetization, improving oversight, and promoting scalability. Our software is tailored to integrate seamlessly with your pre-existing processes, allowing you to operate more swiftly, efficiently, and profitably without disrupting your established business practices. As a leading global entity in advertising technology, FatTail provides the sole integrated platform that caters to both direct and programmatic supply needs. Our cloud-based services grant publishers extensive control over media planning, sales, and revenue management across a variety of advertising products and channels. Additionally, we offer exclusive inventory from top-tier brands for buy-side systems, ensuring quality and reliability in every transaction. By emphasizing adaptability and operational efficiency, FatTail is dedicated to reshaping how publishers interact with the advertising ecosystem, ultimately fostering a more effective advertising experience for all stakeholders involved.