Resources
Tools and Software
Computer Column Programs
Internet Anagram Server (wordsmith.org)
One Across (pattern word search)
Solve A Cipher
Education
ACA Cipher Guidelines
ACA Cipher Types
Reading List
Crypto Kids (NSA)
Crypto Lessons and Tutorials by LANAKI
The ACA and You
Articles
Miscellany
CIA Kryptos Sculpture
Cipher Challenge
Crypto Drop Box
National Puzzlers' League (NPL)