Lively - Make GIF and short movies from your live photos.
John's Background Switcher - Switch backgrounds to trending imgur, reddit, tumblr threads
Flip - A seamless way to capture looping videos on mobile 🎬
Variety Wallpaper Changer - Variety is a wallpaper changer for Ubuntu which is featureful, yet slim and very easy to use.
GIF Brewery by Gfycat - Create stunning GIFs from videos & screen recording for free
Muzei - Muzei is a live wallpaper that gently refreshes your home screen each day with famous works of art.