Musicals101.com
- Encyclopedic coverage of musical theatre, film, and television by John Kenrick.
- http://www.musicals101.com/

The Broadway Musical Home
- Production information, synopsis, musical numbers, sheet music, CDs, videos, books, sound clips, tickets, lyrics, & official website for more than 150 musicals.
- http://broadwaymusicalhome.com/

TheBroadwayMusicals.com
- Song lyrics, casts, reviews and synopses for Broadway musicals.
- http://www.thebroadwaymusicals.com/

AllMusicals.com
- Provides song lyrics and synopses for many popular Broadway musicals.
- http://www.allmusicals.com/

Musical Heaven
- Database of musical information and links.
- http://www.musicalheaven.com/

Original Rock Musicals
- Directory of original rock musicals on the Internet, with description, comment, and music samples provided.
- http://www.donlinke.com/musicals/

NewMusicals.com
- An international web site created to promote and provide exposure for new musicals and their creative team to producers, directors, agents, community theatre groups, educational institutions and producing organizations.
- http://www.newmusicals.com

21st Century Musicals
- Celebrating and promoting Musical Theatre writing in the 21st Century. View musical database with links to shows and news on upcoming events.
- http://www.21stcenturymusicals.co.uk

Musicals On Line
- Directory of various musicals, with additional information on characters, story, and merchandise. Access to forums on the shows.
- http://www.musicalsonline.com