Vanilla List : The Vanilla Javascript Repository. A searchable repository of dependency-free JavaScript libraries. Over 100 projects and growing.
Photon : UI toolkit for building desktop apps with Electron.
jsfx : This is a javascript library (with frontend) for sound effect generation.
Slate : Slate is a completely customizable framework for building rich text editors.
Slate lets you build rich, intuitive editors like those in Medium, Dropbo...
jQuery Masonry : A dynamic layout plugin for jQuery
The flip-side of CSS floats
A simple library for handling keyboard shortcuts in Javascript.