vaadin on Twitter: "Progress-spinning-icon is a freaking cool spinning icon for your site, and there's some more too. Check these spinners out! Why not grab one of these free web components? #spinner #
spinners | Vaadin Add-on Directory
How we use Vaadin for our Web Development Tool – Jmix
spinners | Vaadin Add-on Directory
Change the standard initial Loading indicator during Widgetset loading - CUBA.Platform