polyfill : polyfill makes web development less frustrating by selectively polyfilling just what the browser needs. Use it on your own site, or as a service.
Leaflet : A Modern, Lightweight Open-Source JavaScript Library for Interactive Maps
enquire.js : A lightweight, pure JavaScript library for responding to CSS media queries.
Prototype : Easy Ajax and DOM manipulation for dynamic web applications
Frappe Charts : GitHub-inspired simple and modern charts for the web with zero dependencies.
A library to generate PDFs in client-side JavaScript.
