I just installed the Netbeans Rss News Reader, which covers the Aquarium news as well. A nice little (80kB) application. It looks nice and works well so far. The only problem - I had the same idea, but Siegried Bolz was faster...
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
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