Aramaic is a group of related languages like the Romance languages of Europe. One branch is still spoken as an everyday language. Another branch is the language of the Talmud and studied in thousands of Jewish religious schools around the world. The famous Jewish ‘Kaddish’ prayer is in Aramaic.
And you, of course know that what is called the Hebrew alphabet, i.e., the Hebrew letters, are actually Aramaic. The language is most often Hebrew, but the alphabet is Aramaic.