Bitwig 8-Track | u-he Beatzille | Ubuntu Studio
Blue Cat's Gain Suite
Toolbox
Ea Reckon Ferret 4x4
Routing plugin
IK Multimedia TRacks 5
Master-Channel expert
ISOL8
Mix monitoring tool that divides the frequency range into 5 bands
Latency Delay
sample delay plugin
MfreeEffectsBundle
amazing effect bundle
MIDI Monitor
MIDI Utility
Midside Matrix
simple mid/side processor