Filmm - Video effects + filters app for iOS
Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
Priime - Edit photos with the styles of the world's top photographers. Smart suggestions, fast editing, and inspiring collections.
IrfanView - IrfanView ... one of the most popular viewers worldwide.
Fused - Create stunning double-exposed photographs in seconds
FastStone Image Viewer - FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor.