Download Surgeon - Download Surgeon is an audio and video downloader that can download A/V from YouTube and 1000's of other sites. 100% Money Back Guarantee. BBB Online Member.
Video DownloadHelper - Browser extension to download videos from the Web
FlashGot - FlashGot is a browser extension for Mozilla Firefox that is designed to make it easy to download a whole batch of files in one go. The extension is open source and free to use, but it is no longer compatible with the most recent version of Firefox.
StreamFab Downloader All-In-One - StreamFab Downloader All-In-One is a great tool that allows you to download videos from thousands of websites Amazon Prime, Hulu, Disney, HBO, Netflix, amongst others.
ClipGrab - A friendly downloader for YouTube and other sites
Flash Video Downloader - Flash Video Downloader is a popular extension for Google Chrome browser for downloading wide range of files over the internet.