The Four Houses of Hogwarts - RPG that picks up after the fifth book. Uses message board. - http://hogwarts4houses.proboards26.com/
Hogwarts Great Hall Forum - RPG with virtual sorting and points system. - http://s11.invisionfree.com/Hogwarts_Great_Hall/index.php
Simply Hogwarts - A Harry Potter role-play filled with duels, classes, clashes, house rivalry, cannon characters and related scenarios. - http://oddwizardry.proboards77.com/index.cgi
Harry Potter RPG - Includes message board, chat and Daily Prophet. - http://hprpg.foocow.net/
Hogwarts School - RPG using a message board. Classes, jobs, separate house vaults at Gringotts, the castle grounds, Quidditch fields, and clubs. - http://crystalic.proboards22.com/
Hogwarts Forum - RPG that uses a message board. Teacher and student positions, boys and girls rooms, Quidditch, and a Dueling club. - http://hogwarts25.proboards23.com/
All Lost in Hogwarts - Features a Yule Ball, Great Hall, joining classes, getting lost in the Forbidden Forest, and exploring Hogwarts. Uses a message board. - http://lostinhogwarts.proboards12.com/
Liania Academy of the Dark Arts - Forum based RPG. Members role-play as students. - http://liania89.proboards9.com/index.cgi
The Wizard's Wardrobe - RPG geared for older Harry Potter fans. Features Quidditch, rules and information on the game, and forum for activities. - http://www.erys.net/wardrobe/
Hogwarts For Teens - Role-playing game that uses forum for activities and discussions. - http://profslicker.hyperboards.com/
Godrics Hollow - RPG that uses forum discussions. Includes Hogsmeade, Diagon Alley, and Knockturn Alley activities. - http://frogger.suddenlaunch.com/
The Real Hogwarts - Contains sorting hat and message board. - http://virtualhogwarts.curvedspaces.com/
Journey To Hogwarts - Contains information on school activities, chat room and message board, Daily Prophet, Tri-Wizard Tournament, and Quidditch. [Flash] - http://www.journeytohogwarts.moonfruit.com/
Hogwarts School of W&W Online RPG - Practice your role-playing skills and creativity in writing at this Harry Potter based site. Create a character, attend a virtual Hogwarts, meet people and even play Quidditch. - http://hogwartsrpg.itgo.com
Hogwarts School of Witchcraft and Wizardry - Simulated version of Hogwarts brings the student through getting the letter, buying supplies, and attending the school. - http://www.maxpages.com/hswwonline