Uv Charts
Simple yet powerful JavaScript Charting library built using d3.js
Isjs
Check your data against regular expressions or known keywords.
Store.js
localStorage wrapper for all browsers without using cookies or flash. Uses localStorage, globalStorage, and userData behavior under the hood
Papa Parse
Fast and powerful CSV (delimited text) parser that gracefully handles large files and malformed input
Mesh.js
common, streamable interface for synchronizing data
Backgrid
Finally, an easily stylable semantic HTML data grid widget with a Javascript API that doesn't suck.
Backbone Relational
Get and set relations (one-to-one, one-to-many, many-to-one) for Backbone models
Zangodb
MongoDB-like interface for HTML5 IndexedDB
Chartkick
Create beautiful Javascript charts with one line of Ruby
Ydn Db
Javascript database module for Indexeddb, Web SQL and localStorage storage mechanisms supporting version migration, advanced query, SQL and transaction.
Knwl.js
A Natural Language Processor in JS
Punycode.js
A robust Punycode converter that fully complies to RFC 3492 and RFC 5891, and works on nearly all JavaScript platforms.
Lovefield
Lovefield is a relational database for web apps. Written in JavaScript, works cross-browser. Provides SQL-like APIs that are fast, safe, and easy to use.
G.raphael
gRaphaël’s goal is to help you create stunning charts on your website. It is based on Raphaël graphics library.
Heatmap.js
JavaScript Library for HTML5 canvas based heatmaps
Epoch
A general purpose, real-time visualization library.