From the site:
Mibba is a creative writing community filled with resources for aspiring authors to connect with other writers around the world. Mibba grows each day into a more diverse community, featuring a variety of fiction and non-fiction stories, expository articles, poetry, blogging and social forums.
Users are invited to design a personal profile to network with other authors, and to create unique layouts for their writing. Writing resources and extensive user feedback help authors grow and develop their writing. In addition to writing, Mibba provides users with a rich environment to discuss everything from literature and films to politics and current events.