Video (1666 programs)
Pros: Support for many formats. Includes tool to trim videos. Generates all necessary HTML files.
Cons: Potentially annoying links to developer's website.
Pros: Free and open-source. Based on FFmpeg. Robust set of features and options. Expandable via external libraries.
Cons: Slight learning curve.
Pros: Simple and easy to use. Offers video conversion. Allows multiple video downloading. Comes with an internal media player.
Cons: Picks poor video quality when multiple streams are available. Dated interface.
Pros: Support for many video formats. Special support for mobile video formats. User-defined profiles.
Cons: User-defined profiles are not very easy to create.