WonderFox offers a free trial version, while full versions are available through various licenses:

Save videos and music from over 1,000 websites, including YouTube, Facebook, and Vimeo.

Capture on-screen activities, gameplay (at 60fps), and audio without watermarks or time limits.

The software is designed to be a comprehensive multimedia toolkit:

Periodic sales may offer lifetime licenses for approximately $19.00 USD on platforms like Best Lifetime Deals . WonderFox HD Video Converter Factory Pro Review