Semafor

Semafor is a computer program for practicing the adoption of the semaphore alphabet. It is designed for beginners, advanced learners, and those who want to learn to accept the semaphore alphabet.

The program is very simple to use and absolutely everyone can work with it. The chances that you will improve significantly in accepting the semaphore alphabet are almost 100%. And the side effects of this program? You will even learn where what letter is on the keyboard :-).