Timing.js is a small set of helpers for working with the Navigation Timing API to identify where your application is spending its time. Useful as a standalone script, DevTools Snippet or bookmarklet.
Socialight is a Vanilla.js library to get social network share counts of your links. Socialight support Facebook, Twitter, Google+, Linkedin, Pinterest and Buffer.
This script is an extendable, unobtrusive, and cross-browser compatible way of enhancing almost any type of tabular data.
Taggle.js allows you to create tag fields within your forms, to allow for easy and optionally restricted, input from your users.