XRegExp provides augmented (and extensible) JavaScript regular expressions. You get new modern syntax and flags beyond what browsers support natively.
A tutorial about creating simple modal window with an SVG background animated using Snap.svg and javascript.
JS Sequence Diagrams is a simple javascript library to turn text into vector UML sequence diagrams.
ContentTools is a javascript library for building WYSIWYG editors for HTML content.
flowchart.js draws simple SVG flow chart diagrams from textual representation of the diagram. Also diagrams can be with color view too.
An in-depth tutorial on how to build the ripple effect outlined under Google Material Design's Radial Action specification and combine it with the powers of SVG and GreenSock.
Stretchy is a javascript library to make form elements autosizing, the way it should be.
Features
Jets.js is a javascript library to create native css search engine.
The main idea is not to affect attributes of each tag in the list while filtering. Instead apply dynamic CSS rule in only <style> tag and browser will decide which item of list to show or hide. Since it's just CSS - Jets.js may be applied to any tag, whether it's a table or UL, OL, DIV…
Instafeed is a simple way to add Instagram photos to your website. It's just plain javascript, also has many options and template option.
Falcor is the innovative data platform that allows you to model all your backend data as a single Virtual JSON object on your Node server. On the client you work with your remote JSON object using familiar JavaScript operations like get, set, and call.
LoadJS is a tiny async loading library for modern browsers. It has a simple yet powerful dependency management system that lets you fetch files in parallel and execute code after the dependencies have been met.
UpUp is a tiny javascript library that makes sure your users can always access your site's content, even when they're on a plane, in an elevator, etc.
Scrollissimo is a javascript plugin to create smooth scroll-controlled animations. It also support touch devices.
algebra.js is a javascript library to build, display and solve algebraic equations. The main objects available are Fraction, Expression, and Equation.
jankyscroll.js is a javascript scrolling plugin that doesn't need to exist. Wit this plugin you can put a little jank in your scroll, or a lot.