yepnope.js : A Conditional Loader For Your Polyfills!
Slate : Slate is a completely customizable framework for building rich text editors.
Slate lets you build rich, intuitive editors like those in Medium, Dropbo...
Logerr : Experimenting with window.onerror, trying to make JavaScript debugging easy.
What does it do?
Provides JavaScript error details in a readable format. ...
Headroom.js : Headroom.js is a lightweight, high-performance JS widget (with no dependencies!) that allows you to react to the user's scroll.
loglevel : Minimal lightweight logging for JavaScript, adding reliable log level methods to wrap any available console.log methods
A library to generate PDFs in client-side JavaScript.