jQuery treetable
jQuery plugin to show a tree structure in a table
Backgrid
Finally, an easily stylable semantic HTML data grid widget with a Javascript API that doesn't suck.
Dc.js
Multi-Dimensional charting built to work natively with crossfilter rendered with d3.js
C3
A D3-based reusable chart library
G.raphael
gRaphaël’s goal is to help you create stunning charts on your website. It is based on Raphaël graphics library.
Data Tables
DataTables is a plug-in for the jQuery Javascript library. It is a highly flexible tool, based upon the foundations of progressive enhancement, which will add advanced interaction controls to any HTML table.
Zip.js
JavaScript library to zip and unzip files
Smoothie
Smoothie Charts: smooooooth JavaScript charts for realtime streaming data
Taffydb
TaffyDB - an open source JavaScript Database for your browser
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.
JSON.js
JSON in JavaScript
Crossfilter
Fast n-dimensional filtering and grouping of records.
Knwl.js
A Natural Language Processor in JS
Fortune
A library for managing structured data in Node.js and web browsers.
Superstruct
A simple and composable way to validate data in Javascript.
Tabletop
Tabletop.js gives spreadsheets legs