jQuery Validation Plugin
Application Architecture for Building User Interfaces
Handlebars provides the power necessary to let you build semantic templates effectively with no frustration. An extension to the Mustache templating language created by Chris Wanstrath.
E2E test framework for Angular apps
A lightweight and modular front-end framework for developing fast and powerful web interfaces.
Super simple WYSIWYG editor
Simple responsive charts
localStorage wrapper for all browsers without using cookies or flash. Uses localStorage, globalStorage, and userData behavior under the hood
SVGO is a Nodejs-based tool for optimizing SVG vector graphics files.