Yes, both Promo.com and Riverside.fm offer a Free Trial.
Promo.com is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Riverside.fm is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Promo.com Starts at $99/Month when Billed Yearly whereas for Riverside.fm Starts at $7.50/Month when Billed Yearly.
Some top alternatives to Promo.com includes MixerFactory, WeVideo, Wave.video, Vidyou, Create, FlexClip, Boosted, Vidds, VideoVerse and Abraia.
Some top alternatives to Riverside.fm includes StreamYard, Clips by Riverside.fm, Stream Club, Streann Studio, SquadCast, Rumble Studio, Qualified, Streamfizz, Workvivo, Streamr, Zencastr and RSS.