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Simple way to collect and look at your website performance metrics quickly, that supports budgeting and adding custom metrics.
Open Source HTML5 and Javascript game engine
A static, static content generator that moves the "generator" part to the browser. This site is pure text files with a single Javascript included on each page that renders the theme and assets as needed.
ConstraintJS enables constraints — relationships that are declared once & automatically maintained. These constraints can make writing dynamic apps easier.
GateJS is a javascript based reverse & forward proxy with high performance & capability.
3D HTML5 & WebGL Game Engine.
JavaScript game engine built on WebGL, WebGPU, WebXR and glTF
PlayCanvas is the world’s easiest to use WebGL Game Engine. It’s free, it’s open source and it’s backed by amazing developer tools.
A client-side Javascript SDK for authenticating with OAuth2 (and OAuth1 with a oauth proxy) web services and querying their REST API's. HelloJS standardizes paths and responses to common API's like Google Data Services, Facebook Graph and Windows Live Connect. Its modular so that list is growing. No more spaghetti code!
App.js is a lightweight JavaScript UI library for creating mobile webapps that behave like native apps, sacrificing neither performance nor polish.
Ractive.js is a template-driven UI library, but unlike other tools that generate inert HTML, it transforms your templates into blueprints for apps that are interactive by default.
accounting.js is a tiny JavaScript library for number, money and currency formatting, with optional excel-style column rendering (to line up symbols and decimals). It's lightweight, fully localisable and has zero dependencies.
Using iframes in a responsive page can be frustrating. It’s easy enough to make an iframe’s width span 100% of its container, but sizing its height is tricky — especially if the content of the iframe changes height depending on page width (for example, because of text wrapping or media queries) or events within the iframe.
Declarative on-scroll reveal animations.
We still build things the way machines read them - not the way we intuit them. Jeet allows you to express your page grid the same way a it. No more needlessly nesting elements. No more rigid twelve column rules. with less code, and more flexibility with
TogetherJS is a free, open source JavaScript library by Mozilla that adds collaboration features and tools to your website. By adding TogetherJS to your site, your users can help each other out on a website in real time!
An XMPP chat client for your website
gremlins.js is a monkey testing library written in JavaScript, for Node.js and the browser. Use it to check the robustness of web applications by unleashing a horde of undisciplined gremlins.
DOM + jQuery for Canvas
CutJS is a minimal JavaScript library for composing high-performance, dynamic and interactable 2D HTML5 graphics. It is inspired by DOM and jQuery with a new concept called pinning introduced instead of styling.
Matter.js is a 2D rigid body physics engine for the web written in JavaScript (yes, another)
Build mobile apps with simple HTML‚ CSS‚ and JS components.
D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG and CSS. D3’s emphasis on web standards gives you the full capabilities of modern browsers without tying yourself to a proprietary framework, combining powerful visualization components and a data-driven approach to DOM manipulation.