FrontendSource - Curated dev & designer resources updated weekly
jHipster - JHipster is a development platform to quickly generate, develop, & deploy modern web applications & microservice architectures.
Material Up - Curates the best of Material Design inspiration, tools and freebies.
Vaadin Framework - Vaadin is a web application framework for Rich Internet Applications (RIA).
Atomic - The fastest way to design beautiful interactions
CUBA.platform - A Full Stack Enterprise Java Framework with lots of out of the box functionality and amazing...