/usr/bin/exrblur
/usr/bin/exrchr
/usr/bin/exricamtm
/usr/bin/exrnlm
/usr/bin/exrnormalize
/usr/bin/exrpptm
/usr/bin/exrstats
/usr/bin/exrtopng
/usr/bin/jpegtoexr
/usr/bin/pngtoexr
/usr/bin/ppmtoexr
You may install this package on Debian with
apt-get
install exrtools