Inline Club of Boston - http://www.sk8net.com - A nonprofit organization dedicated to skaters who have a wide variety of professions, skating abilities, and skating goals.
Boston Folk Festival Home Page - http://www.wumb.org/folkfest/frontpage.html - Nine stages of entertainment with more than 100 of the world's best folk musicians including Richie Haves, Roger McGuinn, Cheryl Wheeler, Peter Rowan & Tony Rice and more... Crafts, marketplace, dance, fun for the whole family. Held on Boston harbor at the UMass Boston Campus in September.
Boston Cyberarts Festival - http://www.bostoncyberarts.org/ - Exhibitions and performances by artists who use computer technology as an integral part of their work. Site includes events being held in venues throughout the Boston area (as well as online).
Boston Dragon Boat Festival - http://www.bostondragonboat.org/ - The Dragon Boat Festival, which commemorates the life and death of Chinese patriot-poet Qu Yuan (340-278 B.C.), includes boat races on the Charles River as well as Asian music performances and craft workshops for children and adults.