Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.
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.
SaveFrom.net - Free Online service to Download YouTube videos at one click! The best YouTube Downloader supporting fast and easy vimeo, Facebook and Dailymotion video Download and much more!
KeepVid - A free web application that allows you to download videos
Instadp.org - View anyone's Instadp for free in full size. Instagram profile picture viewer lets you zoom any Insta dp in original size, even private profiles. A great tool to either view an Instagram profile picture full size and HD, download it.
ShareTube - Watch YouTube, synced with friends.