Yes, both vMix and BoxCast offer a Free Trial.
vMix is designed for Large Enterprises, Medium Business and Small Business.
BoxCast is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for vMix Starts at $60 whereas for BoxCast Starts at $99/Month.
Some top alternatives to vMix includes Livestorm, Switcher Studio, BoxCast, StreamYard, Streamlabs OBS, Streamster, Stream Club, Streann Studio, YouStreamer, Present Live and Wisecast.
Some top alternatives to BoxCast includes Livestorm, Flowplayer, Vimeo Livestream, Restream, StreamVoodoo, vMix, Streamlabs OBS, Contentflow, YouStreamer, Resi and Wisecast.