WMM
MovieTag
Peepflix
Kids-In-Mind
MovieFlixter
Box Office Mom
GoMovies
Plugged In
MyMovieRack
Filmotech
Letterboxd
Stuff Organizer
Delicious Library
Eax Movie Catalog
Simkl
IMDb
WMM MyMovieRackMovieTag - Find and organise movies, for free
Filmotech - Filmotech is a movie catalog software for movies on DVD, Blu-ray, DivX, CD, VHS and more.
Peepflix - Social platform for movie lovers to know what friends are watching.
Letterboxd - Letterboxd is a social site for sharing your taste in film, now in public beta.
Kids-In-Mind - Kids-In-Mind is a website that strives to equip parents and adults with information to help them assess if a movie is suitable for kids.
Stuff Organizer - Stuff Organizer is a free open source library application.