FFTW is used at run time in 8 crates (of which 4 optionally). It's used only as a dev dependency in 1 crate.

Number of dependers FFTW version Downloads/month
4 0.8.0 800
1 0.7.0 69
2 0.6.2 11
1 0.5.1 4
1 0.2.2 0
Depender (with downloads and own rev deps) FFTW version
440 light-curve-feature ^0.8
concrete_lib ^0.5.0
wavecar_rs ^0.6.2
eom ^0.8.0
130 fcwt optional ^0.8.0
1 librandtest optional ^0.2.2
librustosa optional ^0.7
mfcc optional ^0.6
260 phastft dev ^0.8.0