XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!
CONV. - Convert YouTube video to MP3, GIF or MP4
IrfanView - IrfanView ... one of the most popular viewers worldwide.
Downie - Video download for OS X. Downie supports at this moment over 1,000 different sites.
FastStone Image Viewer - FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor.
Yout - YouTube to Mp3 Converter