Yes, both Tweet Ninja and Zoho Social offer a Free Trial.
Tweet Ninja is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Zoho Social is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for Tweet Ninja Starts at $19/Month whereas for Zoho Social Starts at $10/Month when Billed Yearly.
Some top alternatives to Tweet Ninja includes Crowdfire, SocialBee, Buffer, Zoho Social, Planable, Later, SocialBu, Naytev, Ultimate SMM, Tweetastic, Redfeets, SocialPear, BTweeps, Twitter Ads and Tweepsmap.
Some top alternatives to Zoho Social includes Crowdfire, SocialBee, Buffer, Hootsuite, Sprout Social, AgoraPulse, SocialMgr, SocialPilot, MavSocial, CloudSocial, SocialHub and SendPilot.