I think she talks about fdbg itself (
link here), a x64 debugger.
Thanks for the notice on the commercial part, didn't think about fees and the like. As for the Pascal thing, I'm not sure if there's one (no popular example coming to my mind), but you might want to try to contact SuperCracker as I remember him writing a disassembly engine in Delphi hell of a time ago (didn't hear any news though).