Thank you for posting this thread. I can't really offer helpful advice, because I'm in a similar situation. Feeling stuck in my depression makes it difficult to see the way out.

I really like the suggestions of going to the library and volunteering, but also...

I asked in a thread, "How to break out of my shell," some one suggested meetup.com. It's a site where you can find people, local to you, with common interests. There were several different options... groups on Wicca, winter surfing, hiking, and even a ladies night. I pretty much live in the woods so none of them were that "local" to me so it wasn't really accessible/an option. However, it did give me some good ideas. Maybe it could help you, too.