Fuzzpilz has released Oatmeal, a freeware two-oscillator subtractive synth VSTi for Windows.

Features:

• Two oscillators: Waveform, Amp, Tpitch (aftertouch > pitch), Pulsewidth, PWM rate, PWM depth, Trans (transpose), Detune, Touch (aftertouch > osc amp).
• Noise (white or bandpassed): Amp, Touch, Resonance, Transpose.
• Filter: Filter type, Double (filter doubling), Cutoff, Track (keytracking), Reso (resonance), Split, Mix, Touch (aftertouch > cutoff), Mod (envelope modulation), Velocity, Filter envelope, Speed ratio.
• Envelope: Attack, Hold, Decay 1, Breakpoint, Decay 2, Sustain, Release.
• Distortion: Type, Mode, Oversample, Pregain, Limit, Postgain.
• Chorus: Mode, Rate, Delay, Range, Feedback, Mix: Dry/wet mix, Voices.
• Delay: Unit, Quantize, Input pan, Rotation, Dry, Wet, Length (left and right), Feedback (left and right), Reverse (left and right), Lowpass, Highpass, On/off switch.
• Reverb: Room size, Length, Predelay, Early (reflections), Dull(ness), Bright(ness), 1/2/3, rotate, Dry and wet output gain, On/off switch.
• EQ (5-band parametric equalizer): Type switch, Frequency, Amp, Slope.
• Pitch envelope: Start, Attack, Peak, Decay, Sustain, Release, Velocity, On/off switch.
• Mod envelope: Attack, Hold, etc., Mod depth, Mod target, Velocity.
• Tuning: Tune, Octave, Cut reference, Pan reference, Notes.
• LFO (x2): Shape, Mode, Unit, Rate, Quantize, Cut 1, Cut 2, Resonance, Pitch, Pan, Rate2/1.
• XY Pad: Mod depth, Mod target, CC selectors, Vr (XY random radius) and vs (XY random rate).
• Arpeggiator: pattern, length, Mode, Unit, Quantize, Step, Arp notes.

More details here.