Tone2 has released a beta preview of BiFilter.

BiFilter is a freeware high-end quality stereo filter module for VST. It uses a high precision “direct form 2″ filter model with a ripple less than 1dB. It supports linear behaviour over the whole frequency range from less than 20 Hz up to 20000 Hz and brilliant, controllable resonance.

Features

• 28 filter types
• 7 distortion types
• Vocal Filters
• Stereo sound support
• Antialiased distortion
• High performance
• Raytraced GUI

Check the Tone2 site for more information and a link to download the BiFilter beta.