SoundRadix Pi - PI is an innovative, multi-channel phase interactions mixer plug-in engine for Mac and PC.
MFreeformPhase by Melda Production - A powerful audio utility that lets you adjust the phase of individual frequencies however you like.
kilohearts Disperser - Disperser smears high energy audio transients through space and time without modifying the gain of the sound.
Voxengo PHA-979 - Track phase alignment audio plugin. Allows you to time- and phase-align any sound material to achieve better sonic coherence and clarity in the mix. Includes multi-band correlation meter.
faGuitarAlign by Forward Audio - faGuitarAlign revolutionizes the process of automatic audio phase alignment. It’ll radically reduce your workload when recording electric guitars, basses and basically everything with strings attached to it!
faTimeAlign by Forward Audio - faTimeAlign is a professional audio time/phase alignment plugin with a accurate sub-sample precision and a unique, intuitive user interface.