Soundtoys.tdm.vst.rtas.au.v4.0.2.osx.intel-xvx.dmg -

This is a tag often associated with software release groups from that era. Modern Alternatives and Risks

These are legacy formats for Avid Pro Tools systems. TDM was used for hardware-accelerated DSP systems, while RTAS was the native format. SoundToys.TDM.VST.RTAS.AU.v4.0.2.OSX.INTEL-XVX.dmg

Downloading old .dmg files from unverified third-party sources poses a high risk of malware, especially versions tagged by "scene" groups like XVX. This is a tag often associated with software

A pitch-shifting granular echo based on the "Reverse Shift" algorithm from the Eventide H3000. Compatibility and Technical Context emulating dozens of classic echo boxes.

Widely considered one of the best delay plugins ever made, emulating dozens of classic echo boxes.