These tools are used here and there in the library but can also be used as standalone.
colocated()
coord2prof()
intersectProfileFault()
lonlatMapping()
write2netCDF()
euler2gps()
geo2topo()
gps2euler()
llh2xyz()
matmatseq()
matvecseq()
rotmat2euler()
topo2geo()
unit()
xyz2llh()
dropSourcesInPatches()
interpolateEDKS
interpolator
pointdropper
sum_layered()
LinePlaneIntersect()
RotateXyVec()
adv()
displacement()
ArraySizes()
strain()
stress()
Timefn()
bspline()
bspline_nu()
ispline()
mName2Rep()
nCk()