You may also try sites like FastPencil to meet other writers like yourself. A community is important, but so is protecting your work. So be careful who you trust online and what you give away to strangers.
New Pages is a spectacular resource for finding literary magazines and publishers to submit to.
For all you writers in the process of revising your first full manuscript, you may want to take a look at the Writer’s Market. Each year they put out a publication of how to get recognized in the publishing industry and where to submit your work. Each edition you buy should come with a subscription to access their full index of contacts.
Another place to look is The Review Review.
Your best bet as a writer is to do your research. Don’t be afraid to type in your targeted interest into your search engine and carefully look through everything that appears for a few pages. Some suggestions are: