Forerunner Db
A JavaScript database with mongo-like query language, data-binding support, runs in the browser as a client-side DB or on the server via Node.js!
Backbone Relational
Get and set relations (one-to-one, one-to-many, many-to-one) for Backbone models
Countable
Countable is a JavaScript function to add live paragraph-, word- and character-counting to an HTML element.
Dgrid
A lightweight, mobile-ready, data-driven, modular grid widget designed for use with the Dojo object store
Sheetrock
Quickly connect to, query, and lazy-load data from Google Spreadsheets.
Fortune
A library for managing structured data in Node.js and web browsers.
Dygraphs
Interactive visualizations of time series using JavaScript and the HTML canvas tag. The dygraphs JavaScript library produces interactive, zoomable charts of time series.
Isjs
Check your data against regular expressions or known keywords.
Plottable
A library of modular chart components, built on D3
Loki JS
javascript embedded / in-memory database
Polychart2
Version 2 of Polychart.js
Epoch
A general purpose, real-time visualization library.
Holmes
Fast and easy searching inside a page
Mesh.js
common, streamable interface for synchronizing data
Chart.js
Simple HTML5 Charts using the <canvas> tag
Arbor
A graph visualization library using web workers and jQuery
Reasondb
A 100% JavaScript object database: SQL like syntax, full-text search, auto object sync, swapable persistence engines, asynchronous cursors, streaming analytics, 18 built-in plus in-line fat arrow predicates, predicate extensibility, indexed computed values, joins, nested matching, statistical sampling and more.