vue.js : Vue.js is a library for building interactive web interfaces. It provides data-reactive components with a simple and flexible API. Core features includ...
Push by Nickersoft : A compact, cross-browser solution for using the JavaScript Notifications API
ProseMirror : In-browser structured text editing component. A toolkit for building rich-text editors on the web.
Parsley.js : Javascript forms validation.
Powerful, UX aware & Dead simple.
For web application developers, the '''JavaScript Templates''' engine from TrimPath is a lightweight APL / GPL open-source component that lets you have template-based programming (like PHP/ASP/JSP) while running in a web browser