Filterjam – Multi-band Resonant Filter [Free] Filterjam is a free multi-band resonant filter VST / AU / AAX audio plugin delivering weird ringmod-like filtered sounds. The input signal is divided into 4 bands that are then summed or multiplied together according to the selected mode.
Liść-step – Filter VST Plugin Liść-step has been designed with simplicity in mind to get results fast. Capable of adding dynamic movement to pads, beats, basslines, vocals or whatever you wish to run through it Liść-step offers great flexibility quickly and efficiently.
SX36 – Three-band stereo processor VST Plugin SX36 is a free VST Three-band stereo processor that separates audio into low, mid and high frequencies and lets you manipulate their stereo properties – width and panning or rotation. Both crossover points are adjusted with single knob. It has simple meters for each range showing correlation or panning.
Philteroid – Dual Filter VST Plugin Philteroid is a free dual filter VST effect, suitable for use on various type of rhythmic sounds (i.e. drums, bass, synth, guitar). Beside pure filter work, Philteroid is also capable of FM, AM and saturation, and can transform plain sound to one with unique character and interesting texture.
Tripper – Auto-filter VST Plugin Tripper free VST has 18 filter types, modulatable by env follower or tripped env. It’s good for wahs, using audio as filter mod source and distorsion. The filter curve is animated, so you can see also what you are doing a touch easier.