Polychart2
Version 2 of Polychart.js
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
Rusha
High-performance pure-javascript SHA1 implementation suitable for large binary data, reaching up to half the native speed.
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
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.
Heatmap.js
JavaScript Library for HTML5 canvas based heatmaps
D3 Cloud
Create word clouds in JavaScript.
Mindb
Database on JavaScript
Flot
Flot is a pure JavaScript plotting library for jQuery, with a focus on simple usage, attractive looks and interactive features.
Vue Trend Chart
Simple trend charts for Vue.js