Handsontable

Minimalistic spreadsheet-like data grid editor that provides copy/paste functionality compatible with Excel/Google Docs

jQuery Sheetrock

Quickly connect to, query, and lazy-load data from Google Spreadsheets.

Dolly.js

Simple jQuery UI widget that adds spreadsheet-like cell cloning capabilities to HTML tables.

jQuery.sheet

The ajax spreadsheet

jQuery.sheet

The ajax spreadsheet

Google Map

A jQuery Plugin allows you to easely manipulate the Google Map API. You are now able to create maps, add some markers and create routes.

Cellect

Select data in tables the same way you select cells in a spreadsheet.

jQuery Spreadsheet

jQuery plugin to extend the Handsontable to more spreadsheet behaviour.