JS Xlsx
Javascript XLSX / XLSM / XLSB (Excel 2007+) parser and (one day) writer
Foundation
The most advanced responsive front-end framework in the world. Quickly create prototypes and production code for sites and apps that work on any kind of device.
JS xls
Javascript XLS (Excel 97-2004 spreadsheet) parser and (one day) writer
Parsimmon
A monadic LL(infinity) parser combinator library for javascript
React Easy Crop
A React component to crop images with easy interactions
Hilo3d
Hilo3d, a WebGL Rendering Engine.
Hyperapp
1 kB JavaScript framework for building web applications.
Pdfkit
A JavaScript PDF generation library for Node and the browser
Framework7
Full Featured HTML Framework For Building iOS & Android Apps
Ej2 Javascript Ui Controls
Syncfusion JavaScript UI controls library offer more than 50+ cross-browser, responsive, and lightweight HTML5 UI controls for building modern web applications.
Overlay Scrollbars
A javascript scrollbar plugin which hides native scrollbars, provides custom styleable overlay scrollbars and keeps the native functionality and feeling.
Egret Core
Egret is a brand new open mobile game and application engine which allows you to quickly build mobile games and apps on Android,iOS and Windows.
Jeeliz Weboji
JavaScript/WebGL real-time face tracking and expression detection library. Build your own Apple Animoji feature! SVG and THREE.js integration demos are provided.
Mustache.js
Minimal templating with {{mustaches}} in JavaScript
Superagent
Ajax with less suck - (and node.js HTTP client to match)
Smooth Scrollbar
Customizable, Pluginable, and High Performance Scrollbars!
Onsen Ui
Custom Elements-Based HTML5 UI Framework for Building Your Mobile Front End