Artful Photo Blend - Artful Photo Blend is a Photoshop application that lets you blend any two photos in such a way that they both appear within each other.
Profile Photo Gradient Border - Add a gradient ring to your profile picture
Ultimate Photo Blender / Mixer - Ultimate Photo Blender / Mixer is an app that lets you mix any two photos together.
Photo Glitter Light effect - Photo Glitter Light effect is free to use photography app developed in the market by Addquick Inc.
Ostagram.me - Combine images to create your own masterpiece.
Circle Cutter - Circle Cutter is an app that lets you crop photos into different shapes and uses them as profile pictures on social media like Facebook, Whatsapp, Twitter, Instagram, etc.