Protagonize is a creative writing community dedicated to writing various forms of collaborative, interactive fiction. One author writes a story, and others post branches or chapters to it in different directions. The result is an organic, evolving story where everyone can participate.
Protagonize launched in late December, 2007. Since launching, Protagonize has built up a large and thriving community of 25,000 authors, has won a variety prestigious awards, and has been nominated for several more.