http://www.qcuiag.co.uk/ 

QuickCam and Unconventional Imaging Astronomy Group

http://www.astrosurf.com/cidadao/

Lunar and Planetary Observation and CCD Imaging

http://www.astro-physics.com/index.htm?gallery/astroph

Some of the finest astro-photos and CCD images taken with Astro-Physics  telescopes. Also exquisite sketches drawn at the eyepiece.

http://www.astrosurf.com/buil/

Christian Buil's site, dedicated to the use of CCD detectors in the field of astronomy and spectroscopy.  IRIS freeware download site.

http://aberrator.astronomy.net/registax/html/download.html

Cor Berrevoets's RegiStax  - Tracking and Image Processing freeware

http://perso.club-internet.fr/legault/

Thierry Legault - High Resolution CCD Imaging

http://www.observatory.org/caminst.htm

The Art of Astro-imaging - van Slyke

http://www.pk3.org/Astro/index.htm?k3ccdtools_download.htm

Peter Katreniak's K3CCDTOOLS - Tracking and Image Processing freeware 

http://www.astrostack.com/index.html

Robert J. Stekelenburg's AstroStack freeware for stacking video images

http://www.djcash.demon.co.uk/astro/webcam/webcam.htm

Webcam video Astronomy

http://www.gimp.org/the_gimp.html

The GIMP freeware - suitable for photo retouching, image composition and image authoring

http://invision.gsfc.nasa.gov/image2000/

Image2000 Home page - host-independent image processing system for students and educators using tutorials

http://invision.gsfc.nasa.gov/image2000/

html/downloadi2kprogram.htm

Image2000 Program Download Home page: host-independent image processing system for students and educators using tutorials

http://www.geocities.com/jgroveuk/iMerge.html

IMerge is allows multiple images to be placed onto a large virtual 'canvas', and arranged to produce a single large composite image, or mosaic

http://www.astrosurf.com/cidadao/

Lunar and Planetary Observation and CCD Imaging. Inspiring!

http://www.jenoptik-camera.com/english

JENOPTIK Camera Europe Gmbh