Yes, both Tweet Ninja and SocialDog offer a Free Trial.
Tweet Ninja is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
SocialDog is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Tweet Ninja Starts at $19/Month whereas for SocialDog Starts at $9/Month when Billed Yearly.
Some top alternatives to Tweet Ninja includes Zoho Social, Crowdfire, SocialBee, Buffer, Planable, Later, SocialBu, Naytev, Ultimate SMM, Tweetastic, Redfeets, SocialPear, BTweeps, Twitter Ads and Tweepsmap.
Some top alternatives to SocialDog includes Zoho Social, Crowdfire, SocialBee, Buffer, Planable, SocialMgr, Later, SocialBu, SocialPilot, Broadcast, Social Mako, CloudSocial, SocialHub, SocialGest and Send Social Media.