Fan fiction online

By far the largest and best-organized collection of Young Wizards fanfiction on the web is to be found at FanFiction.Net, where hundreds of fics can usually be found.

A YW fanfic challenge is presently running at the "So You Like to Read the 'Young Wizards' Books" LiveJournal community: you can read the kickoff post here. Ficcers interested in submitting challenges should check the myriadwords community, which has been set up specifically for the challenge.