HotXLS Delphi Component
Native XLS spreadsheet read/write library for Delphi and C++Builder without Microsoft Excel automation.
PDF and spreadsheet SDKs
Spreadsheet library
Build Delphi and C++Builder applications that read and write XLS spreadsheets without relying on Microsoft Excel automation.

Spreadsheet automation
HotXLS is intended for applications that must read, create, calculate, format, protect and export spreadsheet files without starting Microsoft Excel or depending on Office automation.
Review the full format matrix, workbook APIs, formula engine, examples, documentation, evaluation package and current licence tiers.
Native XLS spreadsheet read/write library for Delphi and C++Builder without Microsoft Excel automation.