I am working currently to my capstone project and need some recommendations guys.
There is a business model in Korea that uses crowd sourcing translation.
Also Naver papago Gym is the Crowd Sourcing translation (Maybe…)
If you are interested in how a multilingual sentence model can improve the post-editing process, then checkout http://multitranslation.space/#
There is yet no larger community behind it, but it could be used for cowd sourcing.