Great Downloader easy to use can convert into multiple file formats. Fast and impressive
Video DownloadHelper - Browser extension to download videos from the Web
Nico Nico Douga Downloader - Download anime videos, audio music mp3, thumbnail images, manga from nicovideo.jp
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.
StreamFab Downloader All-In-One - StreamFab Downloader All-In-One is a great tool that allows you to download videos from thousands of websites Amazon Prime, Hulu, Disney, HBO, Netflix, amongst others.
Freemake Video Converter - Freemake Video Converter Converts 500+ Formats & Gadgets FREE! Convert to MP4, AVI, MKV, WMV, DVD, Xvid. FREE Download. **Voted Best of 2018** Comes with FREE…