i am trying to find the best compilers (if they are actually available) for the following languages:
i don't know if any of these are still around, but it would be very helpful to get any feedback on where i could locate these.
Try Eric Raymond's retrocomputing museum. It at least has Algol 60 and Trac, along with other languages.
Of course, most of the original compilers ran on machines that are no longer in existence, but the museum also has a PDP-8 emulator.