The Analog Warfare synths are modelled like virtual analog  synths with very indepth routing possibilities. The AW is designed with bass in  mind, but that is not all it can do...

Sylenth1 is a virtual analog VSTi synthesizer that takes the definitions of quality and performance to a higher level...

Analog MatriX, a freeware VST instrument for Windows PC.

- 6 Oscilators ( 4 X Sin–Saw–Ramp–Trigon–Pulse and 2 X 55 various Waves)

- Phase-modulation

– Frequenz-modulation

– 5 Oct and Finetuning....

AlgoMusic - StringSynth. Emulation (no samples here!) of  those string synthesizers of the late 70's made famous by ARP  and Solina. It features a full ADSR  envelope generator, a ....

Additive WaveTable Synth - A 2 oscillator wave table synth.  The wave tables are made from combinations of segments generated by mathematical  functions.

Performance monophonic synthesizer with advanced step-modulation, suitable for lead lines, sequences and special FX synthesis. 144 original sounds included.

4Front E-Piano is a small single sound instrument without any  settings that reproduces a timbre, which is similar to DX-7 type e-piano. It is  available as VSTi for Windows, and as an ....

4Front Bass is a small single  sound instrument without any settings that reproduces a timbre of a bass guitar.  It is available as VSTi for Windows, and as an ....

easy, quick to understand  and portable vst