NativeExcel

From NikaSoft:

NativeExcel allows Delphi developers write new Excel spreadsheets and read existing ones. NativeExcel does not require installed Microsoft Office, it writes and reads excel files directly. Features: open an existing excel file; access any cell values (number, string, date, formula); calculation engine to perform computation on the cells; cell attributes (alignment, orientation, comments, borders, background attributes, hyperlinks and so on); font attributes (font name, font size, color, decoration, and so on); images support -Merged cells; Unicode characters support; copy/move/delete/insert range of cells; worksheet attributes (name, protection, selection, and so on); printing attributes (page size, orientation, margins, footer, header, page breaks). Version 2.3.10 fixed some bugs.