1)   WinMorse 2.0
WinMorse is a FREE text to morse code conversion application for Windows. WinMorse converts text into morse code, using various output formats.

 2)   Ham University 2.004.015
Ham University (TM) helps you learn Morse code and prepare for your FCC Exams. It includes Morse code lessons, exercises and a neat game (Pentode(TM)) inspired by Tetris(R). For the written exam there is a training program plus practice exams.

 3)   Morse Mania 3.2.0
Morse Mania is a morse code tutor for the Macintosh. Morse Mania provides the following three modules to help you learn morse code: Learn Characters, Guess a Character, Copy Groups.

 4)   wReplace 1.2.Free
Free program, which allows you to change/replace multiple letters and phrases at a time. It is easy to create and save lists of changes/replacements, so that you can reuse them.