Letterboxd - Letterboxd is a social site for sharing your taste in film, now in public beta.
LinkedIn - LinkedIn is a business-oriented social networking service, mainly used for professional networking.
Delicious Library - Delicious Library 3: Catalog your books, movies, music, software, toys, tools, electronics, & video games. Archive your life.
Jobfox - Jobfox is a job search and career networking site connecting job seekers with employers.
Filmotech - Filmotech is a movie catalog software for movies on DVD, Blu-ray, DivX, CD, VHS and more.
Hunter - Find all the email addresses related to a domain