If you want to try out kenai go to: http://kenai.com/projects/javaee-patterns/, or open "Kenai" Tab --> Open Project and enter: javaee-patterns.
Web Apps, SPA, PWA with vanilla Java Script (ES 6+), CSS 3 and WebStandards only. As simple as possible, but not simpler. See you at: (Progressive) Web apps, Single Page Apps and WebStandards airhacks workshops at MUC airport, Winter Edition
airhacks.fm the podcast:
Stay in touch: airhacks.news.