Great Downloader easy to use can convert into multiple file formats. Fast and impressive
FastStone Image Viewer - FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor.
Video DownloadHelper - Browser extension to download videos from the Web
Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
IrfanView - IrfanView ... one of the most popular viewers worldwide.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.