Yes, both BuzzSumo and GetSocial offer a Free Trial.
BuzzSumo is designed for Large Enterprises, Medium Business and Small Business.
GetSocial is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for BuzzSumo Starts at $79/Month when Billed Yearly whereas for GetSocial Starts at $185/Month.
Some top alternatives to BuzzSumo includes ListenFirst, Sprinklr, Hootsuite, Sprout Social, Planable, ShareSpring, Socialinsider, SocialBee, GetSocial, Nudge and Blogalyzer.
Some top alternatives to GetSocial includes Textmetrics, DiscoverText, Sisense, Statsbot, Panintelligence, WovVBI, Nudge, React & Share, IO Technologies and Blogalyzer.