A ballistics calculator for small arms fire. This software
implements trajectory and B.C. calculations with a variety of
bullet drag models.
Re: TCL Graphics
I have never used TCL/TK, but I have heard it said on many occasions that the syntax for TCL is rather strange. I personally prefer Python - it is clean, object oriented, and has bindings for many GUI toolkits.
A tool for securing DNS communications between a client and a DNS resolver.
A polyhedral extraction tool (PET).