FutureLearn currently run a Translation Studies MOOC in association with Cardiff University and the University of Namibia. The course was due to close but has been extended until 23:59 on 21st June. Sign up grants free access for 6 weeks; so long as you join before the 22nd June, you will have 6 weeks of free access. After those 6 weeks you can pay for unlimited access.
Further details including how to sign up can be found here: https://www.futurelearn.com/courses/working-with-translation