DubSiren 2.0 contains a siren synthesizer giving you a fat siren sound with full control, modulation, distortion and delay.
B.I.T. offers 16 voices of dual oscillator polyphony with dual filters, LFOs and envelopes in a classic analogue polysynth virtual synthesizer that does everything you'd expect it to.
Parallels uses two paths of multi-wave samples from a range of fabulous synthesizers and blends them together with effects and modulation to give you an engaging and colourful software synthesizer.
The latest guitar from UK based Lucem Custom Instruments features a fully functional soft-synth in the form of organic control via onboard touch screen.
Aeris takes a bunch of oo's ah's and oh's and transforms them into an interesting collection of pads in this Kontakt based vocal instrument.
Get yourself to Sheffield for some serious knob twiddling.