Sites

Ballistics Software (Popularity: )
http://www.shootingsoftware.com/index.htm
Macintosh PC ballistics software. Chronographs for rifle and handgun shooters

How Do Bullets Fly? (Popularity: )
http://www.nennstiel-ruprecht.de/bullfly/index.htm
Long document about the basics of bullet motion through the atmosphere.

ABAL: Department of Weapon Systems and Ballistics (Popularity: )
http://www.abal.rma.ac.be
Belgium. Academic education, industry certification, applied research : interior, exterior, terminal ballisitcs. Bulllet-proof jackets and glass. Forensics

Close Focus Research (Popularity: )
http://www.closefocusresearch.com/
CFR Small arms ballistic testing and research services. Testing to various international standards.