I play Gretch electric, Larrivee acoustic and Godin bass guitars. My main keyboard is a Studio Logic SL88 Grand A Yamaha RefaceCP is usually parked on my desk. Here are the main softwares I often use:
REAPER Digital Audio Workstation
A powerful, stable, flexible, inexpensive and widely supported platform for digital audio.
IVORY II ITALIAN by Synthogy
A 10-foot concert grand piano with authentic sounds.
OMNISPHERE 2 by Spectrasonics
A massive great sounding library, with many unique options.
TRILIAN by Spectrasonics
My go-to vst for a wide range of bass sounds.
IMPOSCAR by GForce Software
Emulation of a classic synth with expanded capabilities.
KORG M1
I owned a hardware version back in the 1990s, and still use these sounds.
SYMPHONIC ORCH by EastWest
An older but still very usefull orchestral vst with flexible layering.
CTHULHU by Xfer Records
The chord section is great for exploring ideas.
EZdrummer by Toontrack
I don't use the library much but the kits sound very good.
EZkeys by Toontrack
Decent E pianos and great real time chord detection.
UNIFY by PlugIn Guru
A host plugin with many unique creative possibilities.
GEM VOICE by Overloud
An all-in-one vocal production plugin based on analog DSP modeling.