There's plenty of sites out there that will charge you to connect with other students, but you don't need to put your hand in your pocket to have a chat. Here are a few sites for free speaking practice online (feel free to add any):
iTalki although you do have to pay to connect with a teacher, speaking to other students is free and always good practice.
Speaking24 is a forum that allows students to connect based on their interests and expectations, click on the skype icon of the person you are interested in speaking to. There are folk from all over the world.
Conversation Exchange allows you to find people learning almost any language, you have the option to communicate with them via writing (email/post), online or face to face if you search locally.