What are some alternatives?
Youtube-DLG - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
Video DownloadHelper - DownloadHelper is a tool for web content extraction.
Freemake Video Downloader - Freemake Video Downloader downloads videos from YouTube & 10,000 more sites. Absolutely FREE. Download YouTube in HD, MP4, MP3. **Voted best of 2018**.
ClipGrab - vanbittern entwickelt individuelle Weblösungen.
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…
FlashGot - FlashGot is a browser extension for Mozilla Firefox that is designed to make it easy to download a whole batch of files in one go. The extension is open source and free to use, but it is no longer compatible with the most recent version of Firefox.