List of Spreadsheet Software

Conversion

List of libraries and packages that can be used to convert and manipulate spreadsheet files programmatically.

For C#

Free

• Closed XML
• Excel Interop
• NPOI
• Open XML SDK

Paid

• Aspose Cells
• EPPLUS
• GemBox
• Spire.XLS
• Syncfusion

For Java

Free

• Apache POI

Paid

• Aspose Cells

Comparison

List of software, that can be used to compare the contents of two different spreadsheets.

Paid

• Microsoft Spreadsheet Compare
• Beyond Compare 4

Readers

List of spreadsheet readers.

Paid

• Microsoft Excel

Free

• LibreOfffice
• Apache OpenOffice
• ONLYOFFICE
• WPS Office