If you find yourself depressed, frustrated because you can't figure out MacHeist ciphers, Cypher is the application you need. Cypher can be a very useful application because it has all the codes you might need: ROT, Reverse, Binary, ASCII, Morse, HEX, Base 64.
Morse code tutor. It provides the following modules to help you learn morse code: Learn Characters - Each morse code character is displayed...
App that teaches you to receive Morse code.
ASCII/edit is an editor for tables, diagrams, or simple graphics.
Free open source morse code trainer for Macintosh OSX.
Professional digital Mac version of a cypher system.