[shareware - MacOS] Real-time graphical representation of the lunar visual aspect for any time/date/location. Elongation, PA bright limb, RA, DEC, percent illuminated, alt/az, heliocentric lat/long, distance, and radius.
http://balder.prohosting.com/stouch/MOONCLOCK.html
[freeware - Linux] Command-line program to automate reduction of variable star CCD images.
http://astro.corlan.net/avsomat
[commercial & freeware - multiplatform] Interactive Java applets display the position, daily and annual path of the sun and the moon, for any time and location.
http://www.jgiesen.de/GeoAstro/GeoAstro.htm
[open source - OpenVMS/Unix] Multipurpose Interactive Image Processing System does astronomical image analysis. The main package runs on OpenVMS, but many subsets can run on Unix. All source code is provided.
http://www.chara.gsu.edu/~gudehus/miips.html
A shareware Windows 95/98/NT/2000 based image processing program that can read and enhance images from various NASA spacecraft.
http://members.optusnet.com.au/serpentis
[open source - Unix] A highly interactive software system for the reduction and display of astronomical data.
http://www.astro.rug.nl/~gipsy/
[commercial, demo available - Win95/98/NT/2000] Image processing and CCD camera control software for astronomical imaging. Supports Apogee, Celestron, FLI, HiSIS, Meade, SBIG, and Starlight Xpress CCD cameras; video cameras, autoguiders, and filter wheels. ASCOM compliant.
http://www.cyanogen.com
[commercial - multiplatform] Advanced visual data analysis software.
http://www.vni.com/products/wave/