Great Downloader easy to use can convert into multiple file formats. Fast and impressive
Enlight Pixaloop - The animation app that lets you move still photos
Video DownloadHelper - Browser extension to download videos from the Web
PixaMotion - Make live photos, live wallpapers, moving Backgrounds & themes with animation effects.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
StoryZ - StoryZ Photo Motion and Video Maker is a photography app that allows you to create visual stories from still images.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.