Jamstack is a solid-style Icon from Simple Icons set.

The Jamstack icon shows a bold circular form with a white square opening at the upper right and a curved lower cutout divided by a central bar. Drawn in the solid style on a 24px grid so it stays clear at small sizes. Use it for Jamstack branding, static-site tooling, web development resources, and developer portals. It belongs to Simple Icons free set in the Brand Logos family.