contortDistort has released a free version of Echoes in the Aether for Absynth 5, a creative sound library geared toward interactivity and playability.
Each sound comes with a variety of macro patches, which are additional sounds that were created by only using macro controls. Macro patches give you a glimpse to what is possible with the macro controls of a patch and provides the availability of immediate variation. The setup and layout of the controls allow for a wide amount of variation and exploration.
Price: Free.