With the rise of cord-cutters and those that absolutely refuse to pay the likes of Sky TV; Comcast (in US), and just about any other major broadcast provider -- watching movies online is big business. As an organization built by millennials and those that don't believe in traditional cable, uh, we're strongly in support of online digital content.
Movie25.com - Perhaps one of the largest known libraries out there right now. Various films past and present and links to watch just about any television show possible on the top left corner.
123 Movies - One of our personal favorites because they keep it consistent and have just about every new title online before you even have to e-mail support and ask.