MAutoAlign by Melda Production - The ultimate phase cancellation solution. A must-have for every mixing engineer!
Serum - VST for FL Studio, Ableton Live, and many other VST supported DAWs. Heavily utilized in EDM.
MFreeformPhase by Melda Production - A powerful audio utility that lets you adjust the phase of individual frequencies however you like.
Korg Legacy Collection - Korg Legacy Collection is a suite of VST instruments that acts as an audio plugin software for integrating synthesizers and effects units into your digital audio workstation.
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.
SynthMaster One - Powerful, universal wavetable synth with an intuitive workflow.