FastStone Image Viewer - FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor.
Waterlogue - Magically turn your photos into watercolor paintings.
IrfanView - IrfanView ... one of the most popular viewers worldwide.
Olli by Tinrocket - iOS camera app that creates beautiful animation and drawings
Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
Git commit spotify - adds current playing song to commit message.