Manual Camera for iPhone - Custom exposure for your iPhone camera
FastStone Image Viewer - FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor.
Pixlr - Pixlr® makes it easy to transform everyday images into stunning works of art.
IrfanView - IrfanView ... one of the most popular viewers worldwide.
Priime - Edit photos with the styles of the world's top photographers. Smart suggestions, fast editing, and inspiring collections.
Photoscape - high quality photo editing software, that enables you to fix and enhance photos.