Yes, both Zendesk Support and Sprout Social offer a Free Trial.
Zendesk Support 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 Zendesk Support Starts at $19/user/month when yearly whereas for Sprout Social Starts at $89/User/Month when Billed Yearly.
Some top alternatives to Zendesk Support includes Zoho Desk, ManageEngine ServiceDesk Plus, Deskero, Support Hub, HelpDesk, Desky, Help Scout, Salesforce Service Cloud, ReadyDesk, Sitehelpdesk, HESK and BoldDesk.
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.