Cos&FX (great name!) has introduced Heather, a free VST synth that applies additive and subtractive synthesis elements to create its sounds.
According to the developers, this is a good synth for cutting basses, large screechy sweeping pads, leads and scifi sound effects.
Pricing and Availability
It's available now as a free download.
Designed for dedicated use with rekordbox dj professional performance application