Here is a list of all files with brief descriptions:

autocorr.cc	Autocorrelation
coro.f
cross.cc	Cross correlation
deconv.cc	Calculate response function by deconvolution
dise.f
evelo.f
fidasexx.cc	FIt DAtaSEts - a C++ successor of fidase
foutra.cc	Fourier transforms
foutra_options_brief_help.cc
foutra_options_brief_help.h
foutra_options_help.cc
foutra_options_help.h
foutra_usage_help.cc
foutra_usage_help.h
fregra.cc	Spectrogram for unevenly sampled frequencies
gatherdiff.cc	Calculate difference between shot gathers
geophone.cc
noisymize.cc	Program reads a set of SFF traces, convolves them with white noise and stacks
resaseda.cc	Resample seismic data
rotate.f
sigfit.cc	Fit signal by trial-signals
sigscale.cc	Apply scaling relations to input signals
sigval.cc	Extract values from input signals
smoos.f
soutifu.cc	Inversion for source wavelet correction filter
stufi.f
susei.f
suspect.f
teseco.cc	Time series corrections
tidofi.cc	Time domain filter
tisli.f
tsfilt.f
xyz2uvw.f