Well known are Amharic :<p><a href="http://en.wikipedia.org/wiki/Amharic" rel="nofollow">http://en.wikipedia.org/wiki/Amharic</a><p>and Tifinagh (now taught in Morocco and Algeria) :<p><a href="http://en.wikipedia.org/wiki/Tifinagh" rel="nofollow">http://en.wikipedia.org/wiki/Tifinagh</a>