Vimeo is a five-letter YouTube alternative that offers users the ability to upload, share, and view videos. It was founded in 2004 and has since become one of the most popular video hosting websites. Vimeo provides users with a variety of features, including high-definition video playback, privacy settings, and an intuitive user interface. Additionally, Vimeo also offers a range of tools for content creators, such as analytics, collaboration tools, and monetization options.