Babelan, here's what you can find on the site. Each city on the site offers four different sections where you can publish your message or read someone's else:
1. Language exchange. Here, you can contact other students of languages in your city and practice foreign languages. You can arrange a meeting in a bar, in a library and so on. In addition, you can set up a languages group and join together and have fun.
2. Global language exchange [check it out]. This section is common for all the cities. Here, you can contact with students of languages from around the world and practice online thanks to the internet tools such as chats, Skype, emails, etc.
3. Private lessons. Teachers can publish adverts offering their private classes. You can contact a teacher from your city, although nowadays, several teachers offer their classes through Skype. This way is really suitable to save time as you learn from home at the time you arrange with the teacher. This sort of virtual lesson are becoming so popular.
4. Translations. On this section, translators publish adverts offering their translation services, so, companies interested can contact them.