Courses

Duolingo

apps yes

audio text-to-speech

bokmål yes

free yes

nynorsk no

video no

Probably the most popular language learning site.

https://www.duolingo.com/

Memrise

apps paid

audio yes

bokmål yes

free yes

nynorsk no

video paid

Somewhat of a very advanced flash-carding application.

https://www.memrise.com/

Norwegian on the Web

apps no

audio yes

bokmål yes

free yes

nynorsk no

video no

NTNU's free introductory course to Norwegian.

https://www.ntnu.edu/now