GridMagic Community Edition is the only free spreadsheet software for BlackBerry. It is a member of the GridMagic product family that provides basic spreadsheet features and is free for non-commercial personal and educational use.

GridMagic is a full-fledge spreadsheet that includes the following features:

• Optimized and designed for BlackBerry smartphones.
• Supports 65,536 rows and 256 columns (same as Excel 2003).
• Multiple sheets per workbook.
• Display formatted cell/text (including alignment, borders and background colors).
• Row and column resizing.
• Find, go to, and End mode.
• Support Zoom factor.
• Workbook editing and cell/text reformatting (cut, copy, paste cell data, insert/delete cells/rows/columns)
• Auto cell formatting by entered example
• Auto switch to numeric mode based on cell format.
• Saving workbooks to smartphones (workbook categories for easy management)
• Real-time recalculation
• Features the most frequently used Microsoft Excel functions.
• Desktop Synchronization (compatible with Microsoft Excel)
• BlackBerry attachment integration

There are different editions of GridMagic to suit different needs. For detailed comparison, refer to:
http://www.simprit.com/gridmagic/product_comparison.html

It is easy to install over-the-air and start using GridMagic: