Stardust is a free VST plug-in that is designed for channel processing as well as mastering. Audio is processed at 5 stages :
Bass Enhancer
Bass frequencies are enhanced around the selected frequency, with Q and gain control, then rotated in a 200Hz selectable pole rotator (0-off to 8 poles).
Treble Enhancer
Treble frequencies are enhanced around the selected frequency, with Q and gain control, then rotated in a 10 kHz selectable pole rotator (0-off to 8 poles).
Stereo Enhancer
The stereo image is enhanced and applied with the specified delay.
Multi-Band Compressor
8-Band Multi-Band compression is applied to audio, global compression parameters can be specified.
Wideband Compressor
Analog-like wideband compressor.
Detailed Monitoring
Several VU meters or oscilloscopes for proper monitoring.
Input/Output and Precision
Stardust is a VST2 plug-in that has 1 32-bit input pair and 1 32-bit output pair. Internal calculation precision is 64-bit. Stardust can handle rates up to 192 kHz.
Download for free here