Omnisphere - Piano, pad and synth VST for DAW's.
Serum - VST for FL Studio, Ableton Live, and many other VST supported DAWs. Heavily utilized in EDM.
SynthMaster One - Powerful, universal wavetable synth with an intuitive workflow.
Nexus 2 - Nexus 2 is a synthesizing tool that comes with easy navigation columns, categories, presets, color tags, bookmarks, and other features, which makes it an easy-to-use but powerful software.
Traktor Pro - Flagship DJ software with four decks and a stunning range of creative features for maximum freedom in DJing.
Dexed - Dexed is a multi-platform, multi-format plugin synth that is closely modeled on the Yamaha DX7.