youtube-dl-helper is described as 'uses youtube-dl to download video or audio from many sites without requiring you to use the command-line' and is an app in the Video & Movies category. There are more than 100 alternatives to youtube-dl-helper for a variety of platforms, including Windows, Online / Web-based, Mac, Linux and Android. The best alternative is youtube-dl, which is both free and Open Source. Other great apps like youtube-dl-helper are Youtube-DLG (Free, Open Source), 4k Video Downloader (Freemium), Video DownloadHelper (Freemium) and ClipGrab (Free, Open Source).
Movie downloader for youtube, metacafe, dailymotion, and many others, all those pesky sites that insist you use a big fat browser that runs flash in order to see their content. It's a command-line app written in straight C.
Downloads videos from Youtube, Dailymotion, Tangle, Google, Break.com, TeacherTube, RedTube, yuvutu, xnxx, Megarotic etc. and saves it to your local PC, Laptop, iPod, PSP, PDA, Pocket PC, Mobile phone. Download High Quality videos and High Definition videos from YouTube.
Record your favorite songs, shows, and much more from YouTube to Mp3 or Mp4 with Yout, the Internet DVR Simple, just search for something in the search bar, click your video, and then record it as a Mp3 (Music), you can toggle to Mp4(Video) if you want that instead.
Youtubeleak.com is a free online service for downloading YouTube videos. This is no browser addon and no application. It's fully online and you need just two clicks to go: paste a YouTube link and select video quality/format (default is MP4).