Great Downloader easy to use can convert into multiple file formats. Fast and impressive
Veed - Translate Video - Automatically translate any video into any language online.
Video DownloadHelper - Browser extension to download videos from the Web
Vidtranslate - AI Video translation with synthesized voiceovers
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
Automatic translation by Subly - Translate in 2-clicks and collaborate on content
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.