Meetup.com has groups for learning different languages all over the world. With this free (and pay to upgrade) service, you can meet up with people in your area who are interested in learning, practicing and helping out with the target language you are interested in.
Following is only a partial list of the languages available at Meetup.com:
Arabic Language Meetups
Cantonese Language Meetups
Dutch Language Meetups
French Language Meetups
German Language Meetups
Greek Language Meetups
Hebrew Language Meetups
Hindi Language Meetups
Italian Language Meetups
Japanese Language Meetups
Korean Language Meetups
Latin Language Meetups
Mandarin Chinese Language Meetups
Polish Language Meetups
Portuguese Language Meetups
Russian Language Meetups
Spanish Language Meetups
Swahili Language Meetups
Vietnamese Language Meetups
More languages: