Bill Gray

PDCursesMod. Public Domain Curses - a curses library for environments that don't fit the termcap/terminfo model, modified and extended from the 'official' version

sat_code. Code for the SGP4/SDP4 satellite motion model, and for manipulating TLEs (Two-Line Elements).

jpl_eph. Code to read, use, and manipulate JPL DE ephemeris data.

find_orb. Orbit determination from observations

lunar. Basic astronomical functions

tles. TLEs for high-altitude artificial satellites

star_cats. Code to access and extract data from a variety of star catalogues

galnovae. Database of galactic novae

prngs. Pseudo (and not-pseudo) random number generators, plus some number theory toys.

ed. Text editor (probably of interest only to me)

gps_ephem. Determine GPS observability for astronomers

constbnd. Code and data for IAU constellation boundaries

miscell. Miscellaneous astronomy-related code not easily categorized elsewhere

junk. Odd snips and snaps of code, almost surely of no use to you.

moon_cal. (Paper) Lunar phase calendar generator

optparse. Portable, reentrant, getopt-like option parser

szilassi. Szilassi polyhedron display for X11

abc. Music in the abc notation scheme

pw_hash. Small, simple password generator/manager