University of Tartu Courses:
Semester 1: https://www.memrise.com/course/216028/university-of-tartu-estonian-for-beginners-i/
Semester 2: https://www.memrise.com/course/1218424/university-of-tartu-estonian-for-beginners-ii/
Naljaga Pooleks (book for 3rd and 4th semester): https://www.memrise.com/course/2053382/naljaga-pooleks-by-chapter/
University of Tartu Supplemental Courses:
Adjectives: https://www.memrise.com/course/1159723/adjectives-and-comparatives/
Question Words: https://www.memrise.com/course/286436/kusisonad-question-words/
Numbers: https://www.memrise.com/course/360596/numbrid-numbers/
Time: https://www.memrise.com/course/748008/time-days-months-season-etc/
Cases: https://www.memrise.com/course/1207851/estonian-cases/
Other Courses:
Estonian Citizenship Test: https://www.memrise.com/course/1577456/citizenship-test-estonian/
Misc. Vocab from life and 3rd and 4th Semester classes: https://www.memrise.com/course/2044240/minu-eesti-keele-sonavara-2018-2019/
Please point out any errors and which course they are in. Thanks 