Marilyn
Marilyn is a client side, Socket.IO driven, Pub/Sub, model layer with a query system similar to Mongoose.
Mqtt.js
The MQTT client for Node.js and the browser
jQuery File Upload
File Upload widget with multiple file selection, drag&drop support, progress bars and preview images for jQuery. Supports cross-domain, chunked and resumable file uploads and client-side image resizing. Works with any server-side platform (PHP, Python, Ruby on Rails, Java, Node.js, Go etc.) that supports standard HTML form file uploads.
Dimple
An object-oriented API for business analytics
Sheetrock
Quickly connect to, query, and lazy-load data from Google Spreadsheets.
SockJS Client
WebSocket emulation - Javascript client
Js Quantities
JavaScript library for quantity calculation and unit conversion
Aja.js
Ajax without XML : Asynchronous JavaScript and JavaScript/JSON(P)
Accounting.js
A lightweight JavaScript library for number, money and currency formatting - fully localisable, zero dependencies.
Morris.js
Pretty time-series line graphs
String Score
JavaScript string ranking 0 for no match upto 1 for perfect... "String".score("str"); //=> 0.825
Rusha
High-performance pure-javascript SHA1 implementation suitable for large binary data, reaching up to half the native speed.
Zangodb
MongoDB-like interface for HTML5 IndexedDB
Chance
Chance - Random generator helper for JavaScript
Gpu.js
GPU Accelerated JavaScript
jQuery Gantt
jQuery Gantt Chart
Tiny Slider
Vanilla javascript slider for all purposes.