rePhase
A loudspeaker phase linearization, EQ and filtering tool
rePhase project has moved to https://rephase.org, please go there to download rephase and to get info, support and updates.
rePhase is a FIR generation tool for building fully linear-phase active crossovers with arbitrary slopes.
It also let you manually compensate for the phase shifts of your loudspeakers and existing crossovers, be it active or passive.