Yes, both Zest and Casengo offer a Free Trial.
Zest is designed for Individuals, Medium Business and Small Business.
Casengo is designed for Large Enterprises, Medium Business and Small Business.
Pricing details for both Zest and Casengo are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Zest includes ActiveChat, LiveAgent, Justclarify, Casengo, SupportChamp, DeskMoz, Little SaaS Communication, Qualified, StoryFile Conversa, Workvivo, Personalizard and Sociocs.
Some top alternatives to Casengo includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, ManageEngine ServiceDesk Plus, Freshdesk, Teamwork Desk, LiveAgent, HelpDesk, SysAid, Jitbit Helpdesk, Help Scout, CRMdesk, Sitehelpdesk, LabiDesk, ThriveDesk and Little SaaS Communication.