Open Source Java Web Spreadsheet and Development Tools :: Java Excel :: Document Automation

Embed, Deploy, Share and Manage your Spreadsheets

Extentech is a leading developer of Java spreadsheet solutions. With the first and only Open Source Java web spreadsheet, spreadsheet server and Java spreadsheet SDK, we offer powerful spreadsheet solutions for developers and business users that require robust web spreadsheet functionality.

Coming Soon! Sheetster + MindTouch Solution

Click here to view the details on the upcoming Sheetster + MindTouch Collaboration Solution.

Open Source Web Spreadsheet

Try Sheetster.com -- the first web spreadsheet to support the Excel* 2007 file format, it's the most robust web spreadsheet available, and your free basic account gives you access in seconds.

EASY Development with REST API

Create forms and macros that automate your web application. Sheetster Server is a feature-rich web spreadsheet creating the perfect complement to any web application.

Java Spreadsheet SDK

Our mature Java sreadsheet SDK includes Excel 2007 support. Customized spreadsheet templates with all the features your Excel users demand.

Open Source Projects

Sheetster Web Spreadsheet - The AGPL Extentech spreadsheet web application.
OpenXLS - The open source version of ExtenXLS 6.0

AJAX CHARTS

Map live data feeds to charts then publish them online with Sheetster Server. More screencasts

RSS FEEDS

Extentech @ Twitter
Extentech BLOG
Support: New Features
Support: Feature Requests
Support: Open Issues