1. Mitigate scarcity of SL teachers by developing teaching tools including (a) real-time visual feedback using AR and avatars, and (b) course personalization and coaching through a large-language-model based virtual instructor. 2. Promote inclusion and diversity by developing SL curricula and games in four EU languages. 3. Promote accessibility via an e-learning platform that includes the above tools and curricula, and is accessible at minimal cost. 4. Disseminate and plan exploitation.