Tagsdock - Tag Instagram photos instantly from your iOS keyboard.
SauceNAO - SauceNAO is a reverse image search engine.
Metaplug - Search engine for Instagram
Yandex.Images - search for images on the internet, search by image
Jetpack App - The fastest way to copy your hashtags for Instagram
Drone Keyboard for Tello - A new way to control your Tello Drone