FeatureCAM Standard: 2.5-axis milling & drilling, 2-axis turning, 2 and 4-axis wire EDM, Feature recognition.
FeatureCAM Premium: 3-axis and 3+2 positioning, Single turret turn-mill, machine simulation.
FeatureCAM Ultimate: 5-Axis simultaneous, multi turret turn-mill, Swiss lathes. Was formally know as Part Maker.
AutoDesk has purchase many software CAD/CAM companies and developers and has excellent support of this advanced software product.