Yes, both BuzzSumo and Sprout Social offer a Free Trial.
BuzzSumo is designed for Large Enterprises, Medium Business and Small Business.
Sprout Social is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for BuzzSumo Starts at $79/Month when Billed Yearly whereas for Sprout Social Starts at $89/User/Month when Billed Yearly.
Some top alternatives to BuzzSumo includes ListenFirst, Sprinklr, Hootsuite, Sprout Social, Planable, ShareSpring, Socialinsider, SocialBee, GetSocial, Nudge and Blogalyzer.
Some top alternatives to Sprout Social includes Crowdfire, SocialBee, Buffer, Sprinklr, Zoho Social, Hootsuite, Planable, SocialMgr, Later, SocialBu, Ultimate SMM, Social Mako, CloudSocial, SocialHub and Lately.