Holder is a spectral freezing device. It grabs short slices of sound and transforms them to ambient textures. AlterEcho is a supercharged delay effect which can add complex rhythm and tone to your sounds.
Look what Max for Cats dragged in: five high-quality Max for Live devices for free! Including an exceptional organ/additive synthesizer hybrid and several wonderfully executed audio and MIDI devices, Gratis Hits is a gift that will keep on giving.