Yes, both Flowplayer and Wisecast offer a Free Trial.
Flowplayer is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Wisecast is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for Flowplayer Starts at $25/Month whereas for Wisecast Starts at $12/User/Month.
Some top alternatives to Flowplayer includes JW Player, StreamVoodoo, mpvPlayer, TeamTV, Streamster, Stream Club, Streamfizz, YouStreamer, Streams and api.video.
Some top alternatives to Wisecast includes Castr, Wowza Streaming Engine, BoxCast, Crowdcast, Workcast, Streamster, Streann Studio, Qualified, CastNest, ScreenCast, Workvivo and IFTTT.
