IDL Satellite Image Mapping Tool
Allows to display a satellite image (e.g. AVHRR) on a map projection.
http://cimss.ssec.wisc.edu/~gumley/imagemap.html

IDL DICOM Writer
Free writing tool for IDL.
http://cow.mooh.org/idl.shtml

Coyote's Guide to IDL Programming
A guide to IDL (Interactive Data Language) programming, example programs, and other resources.
http://www.dfanning.com/

IDL Programming Techniques
A book to describe by example those IDL programming techniques essential in daily programming tasks.
http://www.dfanning.com/documents/books.html

Making MPEG Movies In IDL
Making MPEG movies from within IDL
http://www.dfanning.com/tips/how_mpeg.html

Better IDL HDF Documentation
Provides IDL HDF Documentation, links to IDL programming techniques, charts and software.
http://www.dfanning.com/tips/hdf_documentation.html

IDL Astronomy User's Library
Information, resources and references on IDL astronomy user library.
http://www.adass.org/adass/proceedings/adass94/landsmanw.html

IDL Surface Tutorial
Extending IDL's Surface Plotting Routines
http://www.sljus.lu.se/stm/IDL/Surf_Tips/

World of IDL and Meteorology
This website is maintained by Dr Robert Dahni an experienced meteorologist and IDL programmer with the Australian Government Bureau of Meteorology. Fellow IDL enthusiasts should check out the up-to-date collection of links to IDL resources worldwide.
http://www.metvis.com.au/

NASA SPDF COHOWeb
Provides downloads of COHO ASCII merged files, data, browse and retrieve COHO data and news on COHOWeb.
http://cohoweb.gsfc.nasa.gov/

ITT Visual Information Solutions
Dedicated to bringing data analysis and visualization tools. Offers information on IDL, ENVI, ION, and The Visible Human.
http://www.ittvis.com/