Rosetta Stone / Livemocha Livemocha has a similar platform to that of Duolingo, but it is owned by the famous Rosetta Stone.
Gofluent salary: I didn’t find out exactly how much they pay, but I have read that it is comparable to ispeakuspeak, which is about €10 for individuals and €12 for group classes.
International Language Connection is a small company based in Toronto, Canada.
They want someone who can work 10 hours a week in the evenings. It’s not big, however, and when I applied they were only hiring teachers to start in a few months from when I was looking for a job.
I believe the teachers have to use Skype to talk to the students. Pearson / Global English is based in San Francisco, they have just updated their platform and it looks great.
I have had interviews with several of the companies on this list and I am currently working for one of them. They mostly teach business English, but most of them offer test preparation, group and individual classes too.