Also S.Q.L - but it’s an Initialism, not an Acronym (the latter being pronounceable as words eg NASA).
(Re Doom) To my shame “ID Software” was always I.D not Idd, though! - don’t know how common that was.
(Re Doom) To my shame “ID Software” was always I.D not Idd, though! - don’t know how common that was.