Great Downloader easy to use can convert into multiple file formats. Fast and impressive
Keyshot - KeyShot 3D rendering and animation software is the fastest, easiest way to create amazing, photographic visuals of your 3D models. Enter your search in the box aboveTryYour download of KeyShot is only moments away.
Video DownloadHelper - Browser extension to download videos from the Web
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
Cinema 4D - Cinema 4D is a 3D modeling, animation, motion graphics and rendering application.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.