Java Programming Language is #5 on github what is remarkable. Github came relatively late for Java--most of the opensource Java projects were already hosted on apache.org, sourceforge.net, Google Code, java.net, codehaus or kenai.com...
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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