The Language Technologies Unit is a research unit that develops language resources for the Welsh language, the Celtic languages, and for multilingual situations in general.
The Unit is responsible for Cysgliad, a package containing a Welsh language spellchecker, a grammar checker, and a collection of comprehensive dictionaries, and has also developed numerous other language proofing tools. The Unit undertakes work on standardizing terminology , and has also developed electronic dictionaries for both CD and the web. The Unit also develops speech technology for Welsh and other languages, and maintains place-name databases on the web. In addition, the Unit develops computer-based learning aids, including language games.
The Unit has close connections with business and industry, and undertakes Knowledge Transfer Partnerships (KTPs). The Unit is a founding member of CMC (the Association of Welsh Software).