For those who would like to use fictional computer services in their TV fanfic, here's an alternative to Spyder-Finder:
'Scott & Bailey' showed DC Janet Scott using Net-Searcher. This could be only available in the UK. I believe this may be the case with Fountain Six, which was created by Luke Rattigan when he was twelve years old.
'Scott & Bailey'
'Doctor Who' - "The Sontaran Strategem" & "The Poisoned Sky"