It sould be there in VFP8. The program also included with some other projects, like toolbox, taskpane, foxref.
See http://blogs.msdn.com/calvin_hsia/archive/2006/03/31/566027.aspx

? VAL(SYS(2007, SUBSTR(data,3))), ckval

>
>I could not find foxresource.prg
>Unzipping Xsource.zip did not produce a .\xsource\VFPSource\Envmgr folder.
>
>When I try:
>

>?VAL(SYS(2007, FoxResource.DATA)),FoxResource.ckval
>

>I get:
>

>44772.00   4940
>

>What gives?
>
>Is it because I'm in Visual FoxPro 8.0?