The best follow ups by far were Avid Matador and Discreet Combustion.
Avid bundled Matador (and FXTree) into Softimage, which Autodesk later absorbed and killed off.
Discreet were also assimilated by Autodesk, and Combustion was later killed.
Avid bundled Matador (and FXTree) into Softimage, which Autodesk later absorbed and killed off.
Discreet were also assimilated by Autodesk, and Combustion was later killed.