Robuta

https://www.ionos.co.uk/digitalguide/online-marketing/online-sales/how-does-a-supply-side-platform-work/
The process of bidding for advertising inventory online is known as real-time advertising. Publishers can use supply-side platforms to promote ad space.
supply side platformhow doesworkionosuk
https://admixer.com/ssp/
Admixer SSP helps publishers access global demand, set custom rules, run PMP deals, and get detailed analytics - all in one intuitive SSP advertising platform...
supply side platformsspadvancedmonetizationpublishers
https://improvado.io/blog/dsp-vs-ssp-programmatic-guide
Discover how a demand side platform and SSP work together to optimize ad spend and boost programmatic advertising success in 2025.
demand side platformvssupplyoptimizedsp