To be completely thorough, there was a piece of software called "Ultravox" released by Platinum Samples many years ago.
If you want, I can:
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The CS-80 is loud and warm. To make digital free VSTs sound like hot analog tape, use the free Softube Saturation Knob. Turn it to "Tube" or "Tape" mode and drive it until it just starts to break up.
(These are well-known free synths that, with the right presets and effects, cover the palette above.)