Serum - VST for FL Studio, Ableton Live, and many other VST supported DAWs. Heavily utilized in EDM.

iZotope Vinyl - iZotope Vinyl is a plugin that gives you the tools to cut, shuffle and alter your audio content to give it that lo-fi vinyl sound.

Surge XT - Open-source subtractive-hybrid synthesizer formerly sold commercially as Vember Audio Surge.

Unstable by De La Mancha - Unstable by De La Mancha is a pitch modulation effect tool packed with inspiration and creativity.

Omnisphere - Piano, pad and synth VST for DAW's.

Dumpster Fire by Freakshow Industries - Dumpster Fire by Freakshow Industries is a multi-dimensional virtual effect audio plugin that allows you to shape the sound of fire in all its forms.