Pitt's Writing Program offers classes in a broad range of creative writing classes every term.
You might also check out the Composition program's certificate or major in Public and Professional Writing. PPW is a great option for people who are looking for ways to write on the job, whether they are looking for jobs in the nonprofit sector, the for-profit world, or government. Many students who have been interested in publishing or editing have found the PPW program a good fit. Competitive internships are available.
Associated Writing Programs (AWP) offers contacts for writing programs and for writers' conferences and centers.
The Electronic Poetry Center offers resources that focus on "digital and contemporary formally innovative poetries, new media writing, and literary programming."
Pitt offers non-credit informal writing classes for adult learners age 50 and higher through the College of General Studies.