Success Stories

Java Web Spreadsheet and APIs

Extentech is a leading developer of Java spreadsheet development tools, the Sheetster.com web spreadsheet, and Enterprise spreadsheet server software.

We offer a unique solution for developers and business users that require robust web spreadsheet functionality.

For the Enterprise

Slash development costs and free up coders from reinventing business logic that already exists in Excel.

Designing reports in Excel saves you the expense of training users on reporting tools.

Sheetster Server provides unmatched savings and ROI. With the Sheetster Open Source AJAX Web Spreadsheet, the customization possibilities are endless. Learn more.

BI & Spreadsheet Reporting :: Trusted by the Global 2000
Customized spreadsheet templates with all the features your Excel users demand. Reuse business logic already developed in existing spreadsheets for a fast ROI and business-logic heavy apps.

Small + Medium Sized Businesses

Tired of emailing spreadsheets? Need one centralized place to store your documents where only people you choose can access? Try Sheetster.com -- the first and only 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.

Web Developers

Customize and embed spreadsheets in your websites, complete with scalable live-data charts and dashboards. Create forms and macros that automate your web application. Sheetster Server Collaboration Edition is a feature-rich web spreadsheet creating the perfect complement to any web application. learn more...

The Extentech DevZone

Save time and solve your problems fast with the Extentech DevZone. Instant access to searchable documentation, FAQs, downloads, sample code, and media.

Enterprise Java Spreadsheets

For 8 years, Extentech has been a leader in commercial-grade Java spreadsheet solutions.

Java gives you the ability to run your applications anywhere, making ExtenXLS perfect for agile organizations that need flexible and scalable deployment options.

Join our many satisfied customers and download today!

Open Source Projects

Extentech is committed to open source and sponsors a number of projects on SourceForge.

Customer Spotlight