Rhizomatic

Being a patron of Brian Clevinger/Rhizomatic and a huge fan of Absynth and the more recent Plasmonic synth, as soon as Synestia was released I took it quite seriously, and this advanced multi effects processor immediately became one of my favorites of its class.

Synestia features a physical modelling synth engine that does interesting sympathetic sounds against input sources, it works well as a creative guitar effect, and it features a large palate of effects including granular processing, tuned effects, triggered MIDI effects, etc, and Synestia sounds good.

I have a few older synths, such as a microKORG XL, and putting Synestia on that channel really breathes new life into more classic synth sounds. For guitar, too, Synestia shines brightly in a sea of average plugins designed for similar purposes, and is worth the price. If you watch, Brian puts this on sale 1x or 2x/year and you can get it for around 70 USD.

This PM+Subtractive combo beast is one of my very favorite synths. MPE, deep tweakability, pretty much guaranteed you can get impressive results at a minimum. The presets alone are unbelievable. If you like being rewarded for experimentation, big evolving sounds, and want to hear something you've never heard before, this one is a Rolls. Actually, this synth is why I decided I had to step further than poly aftertouch and get an MPE controller. Get at it.