FilterBox for free by Rez Audio
Rez Audio has released the „F1 Filter Box“, a multi mode filter and modulator for free, which provides 6 different filter (lowpass, highpass and bandpass with 12db and 24 dB slopes each). The VST tool contains a XY pad with 32 factory presets and MIDI control. You will also fiid a syncable LFO and an envelope follower in it.