Hetzner Online GmbH is a well-known German company specializing in web hosting and data center services.
They offer Virtual Private Servers (VPS) at very competitive prices.
GridPane doesn’t directly integrate with Hetzner VPSs, but you can easily add them using the custom VPS option. Check the detailed tutorial in the GridPane knowledge base: https://gridpane.com/kb/provision-a-hetzner-server-using-our-custom-server-option/