Yes, both BuzzSumo and Livedune offer a Free Trial.
BuzzSumo is designed for Large Enterprises, Medium Business and Small Business.
Livedune is designed for Large Enterprises, Medium Business and Small Business.
Pricing for BuzzSumo Starts at $79/Month when Billed Yearly whereas for Livedune Starts at $5/Month.
Some top alternatives to BuzzSumo includes ListenFirst, Sprinklr, Hootsuite, Sprout Social, Planable, ShareSpring, Socialinsider, SocialBee, GetSocial, Nudge and Blogalyzer.
Some top alternatives to Livedune includes Twitter Analytics, NetBase, Social Opinion, TrueSocialMetrics, Planable, SocialStats, Analyser PRO, SocialBee, SocialGest, Send Social Media, Postaside and Tweepsmap.