I am a Master’s student in communication from the University of Copenhagen in Denmark.
As part of my master’s dissertation I have created a free to use website that can help e.g. students and expats to improve their language skills.
At Protected content users register and create a free profile, which lists their region, the languages they speak and the languages that they would like to learn. Other users can search specific language speakers in their area, and set up meetings.
You meet face-to-face, at a local café, at the library, at home etc., speaking your two languages alternately.