Yes, both Tweetmonk and BuzzSumo offer a Free Trial.
Tweetmonk is designed for Large Enterprises, Medium Business and Small Business.
BuzzSumo is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Tweetmonk Starts at $8/Month when Billed Yearly whereas for BuzzSumo Starts at $79/Month when Billed Yearly.
Some top alternatives to Tweetmonk includes Zoho Social, Crowdfire, SocialBee, Buffer, Hootsuite, Planable, SocialMgr, Later, SocialHub, Post Genie, BlogAssistant, Tweepsmap and Sposter.
Some top alternatives to BuzzSumo includes ListenFirst, Sprinklr, Hootsuite, Sprout Social, Planable, ShareSpring, Socialinsider, SocialBee, GetSocial, Nudge and Blogalyzer.