Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
PanoramaCrop for Instagram - PanoramaCrop for Instagram is a free photography app that allows you to easily splits your wide photos so you can make the most out of the new Instagram’s multi-photo images, created and published by Muffin.
Pixelmator - Pixelmator is an image-editing application for Mac and iPad.
King Camera - Cam 360 Selfie Camera, King Camera is one of best, a professional selfie camera app that takes beautiful selfies in seconds with effects filters.
Pixlr - Pixlr® makes it easy to transform everyday images into stunning works of art.
Cool Gram - $5 a month makes your IG officially cool.