Excel Writer
Excel Writer - Excel_Out Ada Excel open source xls BIFF stream spreadsheet. Ada programming.
Excel_Out is a package to write easily Excel files with basic formattings.
Enables the automatic production of reports.
Totally portable code: builds for every system without any specific piece of code. No interaction with Excel.

Snapshots:
Demo output opened on different spreadsheet applications.
OpenOffice   Excel  

Download:
Download the archive at the SourceForge project page.  

A small demo's source:
 
with Excel_Out; use Excel_Out;
 
procedure Small_demo is 
  xl: Excel_Out_File;
begin 
  xl.Create("Small.xls");
  xl.Put_Line("This is a small demo for Excel_Out");
  for row in 3 .. 8 loop 
    for column in 1 .. 8 loop 
      xl.Write(row, column, row * 1000 + column);
    end loop;
  end loop;
  xl.Close;
end Small_demo;

For more sources...
Browse the full source (of version 03) here  
Source web pages automatically generated by gnathtml (GNAT).

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The package is derived from this Modula-2 module!


Some Ada compilers