The keywords attached to this search represent the "Golden Era" of plug-in format wars. Back then, producers needed to know if a library would work in their specific DAW (Digital Audio Workstation): Virtual Studio Technology (Cubase, Ableton). DXi: DirectX Instruments (Sonar/Cakewalk). RTAS: Real-Time AudioSuite (Pro Tools). AU: Audio Units (Logic Pro).
Instead, this article will:
: The latest version features a new Kontakt GUI with an effects rack and automated MIDI controllers.