Add advanced spreadsheet capababilities to your applications. Perform calculations, reference cells with relative and absolute addressing, perform formatting, handle multiple worksheets.
Solution Center - Code examples using Spreadsheet Components
 How can I create an MS Excel compatible spreadsheet file from my app without running Excel?
 How to read data from XLS, XLSX or CSV files without the need for MS Excel?
 How to programatically manipulate the contents of an MS Excel spreadsheet
 Can I use a spreadsheet to perform calculations and get the results back in my application?

Java Spreadsheet Components by Aspose Pty Ltd

Aspose.Cells for Java V1.9.4

Aspose.Cells is a Java component for spreadsheet reporting without using Microsoft Excel. Other useful features include spreadsheet creation, formula settings, macros, VBA, unicode, hyperlinks, pivot tables, open encrypted excel files, importing data from JDBC ResultSet and supports all advanced features of data management, formatting, worksheet, charting and graphics. Aspose.Cells for Java is compatible with Windows, Linux & Unix and you can also export your excel files to HTML & PDF documents.

Java Spreadsheet Components by Pagos, Inc.

Pagos Spreadsheet Component (PSC) for Java V4.5

Convert your spreadsheet applications into enterprise solutions. Using Pagos Spreadsheet Component you can connect existing Excel spreadsheets into your Web-based application. Pagos Spreadsheet Component interprets the formulas and data in Excel by turning them into high performance calculations engines. As a result you don’t have to understand and rewrite complex calculations or business logic already built into your Excel files.

Java Spreadsheet Components by SmartXLS™ Software LLC

SmartXLS for Java  -  SmartXLS for Java is a high performance java component which can write, read, calculate Excel compatible files without the need for Microsoft Excel. It was entirely written in 100% pure java,and can run in any java runtime installed system.