Fitsh
- fiarith(1) evaluating arithmetic expressions on images as operands
- ficalib(1) performing various calibration steps on the input images
- ficombine(1) combining (most frequently, averaging) a set of images
- ficonv(1) obtaining and evaluating convolution transformations
- fiheader(1) reading and manipulating FITS header keywords
- fiign(1) low-level manipulation of masks associated to FITS images
- fiinfo(1) providing information or image stamps for images
- fiphot(1) performing photometry on normal or subtracted images
- firandom(1) generates artificial object lists and simulated images
- fistar(1) detecting and characterizing point-like sources
- fitrans(1) performing spatial transformations on the input image
- grcollect(1) performing transposition on the input tabulated data
- grmatch(1) pairing lines by involving identifier or cross matching
- gropt(1) performing ray tracing computation of optical systems
- grtrans(1) transforming coordinate lists or fitting such transformations
- lfit(1) general purpose evaluation and regression analysis tool