Say hello to Rounder* — a custom designed font inspired by the clean lines of Inter. I've softened and rounded every edge to create a font that feels friendly and modern. Ideal for wayfinding, digital displays, and more. johnkappa.com/rounder-font

Super smooooth... happy to do a test drive

Looks great! But on this topic, if I understand Inter's license correctly, derivative fonts (based on Inter) cannot be offered under a license other than the Open Font License. Maybe worth taking another look.