Transparent Language Online (opens in new window) This link opens in a new windowProvides a fun, effective, and engaging experience for learners of all levels looking to build their listening, speaking, reading, and writing skills in a foreign language. With over 110 languages to choose from, including English for speakers of over 30 languages, there is something for every learner. Transparent Language Online combines robust courses, supplemental vocabulary, extensive grammar resources, and mobile apps for a complete language-learning experience.