Playbill is the single best web site for connecting to information about Broadway and Off-Broadway. Many items of information are provided such as headline news, casting information, and financial information about the ticket sales for the previous two weeks. Many links are provided to individual theaters for viewing the seating chart, reading a summary of the play currently in production , buying tickets, etc.
Similar to the Internet Movie Database, IBDB (Internet Broadway Database) archive is the official database for Broadway theatre information. IBDB provides records of productions from the beginnings of New York theatre until today. OFfers information on the shows, people, theatres, characters, awards, songs and more.