just release my STK modules:
https://github.com/danlin/stk_module
stk_core:
STK Library for audio sysnthesis and effects
stk_effects:
Perry's simple reverberator,
simple pitch shifter effect,
CCRMA's NRev reverberator,
Pitch shifter effect based on the Lent algorithm,
John Chowning's reverberator,
Jezar at Dreampoint's FreeVerb,
echo,
chorus
stk_filters:
two-pole filter,
two-zero filter,
non-interpolating tapped delay line,
one-pole,
one-zero filter,
one-zero filter,
one-pole filter,
general infinite impulse response filter,
sweepable formant filter,
general finite impulse response filter,
linear interpolating delay line,
allpass interpolating delay line,
non-interpolating delay line,
biquad (two-pole, two-zero) filter
stk_generators:
sinusoid oscillator,
noise,
granular synthesis,
file looping / oscillator,
linear line envelope,
band-limited square wave,
band-limited sawtooth wave,
band-limited impulse train,
asymptotic curve envelope,
ADSR envelope
stk_generators_extra:
"singing" looped soundfile,
periodic/random modulator