Languages of Veth
Known to us players as English, this is the most commonly used language in the setting and in active roleplay.
The native language of the Alesian Imperium.
Ankenah is less a language and more a magical system. Created by Tekhem "Ankenahotep" as-Tyrakhon. System of glyphs harnessing essence for linguistic forms.
The elves of Elvendeep have a number of languages, the majority comprising of a high language and the tribal languge of the savage Sorani.
Griffons have two native languages: One is an ancient bestial language of bird cries spoken in their natural form, the other is a blend of Vallarian and the language of their dryads.
Native language of the Najjira people.
A clan language spoken by native hill tribes within Tollor.
Ankenah, the magical language which spawned modern Najji, originally used a set of ideographs to try and capture the essence of the universe in order to distill it into something understandable and usable by human beings.
Arangothek has its own writing, which you can see explained here.
The Assi language apparently uses a system of ideograms.
The desert-living Teldanar use an as-of-yet-unexpounded-upon heiroglyphic writing system.