4k Video Downloader - 4K Video Downloader is a software program that helps people download video files from sites such as Facebook, YouTube and Dailymotion.
Camelcamelcamel - Easily monitor Amazon product prices and get alerts when they drop.
SnapTube - Snaptube Official Website - Get the newest Snaptube apk and free download music and HD video from YouTube, Facebook, DailyMotion and Instagram, etc.
Fetchee - Fetchee is a free price tracking wish list app that works with all online stores worldwide.
TubeMate - SO WHAT DOES TUBEMATE DO? We all love the youtube app.
Keepa - Price history charts and the option to be alerted on price drops for all Amazon sites.