Here is a table representing the current compatibility recap of all Synthesizers

Here is a short summary of the actual 32/64bit compat.

Synth	VST2–32bit	VST2–64bit	VST3 (32/64)	AU–32bit	AU–64bit	RTAS(32bit)	StandAlone (32bit)
Storm	X			X		X	X
Moog Modular	X	X		X	X	X	X
CS80 V	X	X		X	X	X	X
MiniV	X	X		X	X	X	X
ARP2600	X	X		X	X	X	X
Prophet V	X	X		X	X	X	X
Jupiter 8V	X	X		X	X	X	X
Analog Factory	X			X		X	X
Analog Laboratory Experience	X	X		X	X	X	X
Analog Player Experience	X			X		X	X
Brass	X			X		X	X
OberHeim SEM V	X	X	X	X	X	X	X
Wurlitzer V	X	X	X	X	X	X	X

Others in this Category

	Pro Tools error: DAE 7054
	Logic refuses to validate the plug-in
	The standalone version operates nicely, but Logic Audio Units Manager refuses to validate the plug-ins version.
	Error: "Could not open document"
	The plug-in does not appear in Logic Pro