Panflow

Designed to Shape complex, evolving panning patterns and add random,
rhythmical movement to any audio track in real-time.

Create Instant fluid motion with precise stereo editing, with an easy-to-use
interface and powerful pattern editor.

Give your audio a more lively, dynamic feel, or add dynamism
to any static sound.

Panflow is endlessly variable, endlessly interesting and is available
for Windows, Mac and iOS Devices.