KeepVid - A free web application that allows you to download videos
Savesubs - Savesubs is an online service providing a website that persuades you to download subtitles of any video and helping you to make independent from language restriction.
YoutubeMultiDownloader - Just like its name YouTube Multi Downloader, it is an online website for downloading the videos of downloading without using any video download and accelerator.
DVDVideoSoft - Download and Convert YouTube videos with Free YouTube Download and Free YouTube to MP3 Converter in any format. Easy to use apps for PC and Mac.
SaveFrom.Biz - Convert YouTube video URL to MP4 file and download it to your device. SafeFrom is the best YouTube video downloader and converter.
Subtitle Downloader - Subtitle Downloader is an application that makes you independent from language restrictions while watching videos that are not available in your favorite language.