GemBox.Spreadsheet is a .NET component that enables developers to read, write, convert and print spreadsheet files (XLSX, XLS, ODS, CSV, HTML, PDF or XPS) from their .NET applications using one simple API.

GemBox.Spreadsheet requires only .NET Framework and is many times faster than Microsoft Excel automation.

GemBox.Spreadsheet Free is free of charge while GemBox.Spreadsheet Professional is a commercial version licensed per developer. Server deployment is royalty free.

GemBox.Spreadsheet advantages

• Unified programming interface for multiple file formats (XLSX, XLS, ODS, CSV, HTML, PDF and XPS). More »
• No dependency on Microsoft Excel.
• Many times faster than Microsoft Excel automation. More »
• Plain and fair licensing. More »
• 100% managed code (C#), follows .NET class library design guidelines.
• Simple and easy-to-use programming interface. More »
• Preserves unsupported file format features. More »

For more details go to GemBox.Spreadsheet features page.