Yes, both Zendesk Support and Kommunicate offer a Free Trial.
Zendesk Support is designed for Large Enterprises, Medium Business and Small Business.
Kommunicate is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Zendesk Support Starts at $19/user/month when yearly whereas for Kommunicate Starts at $33.33/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 Kommunicate includes Octane AI, ActiveChat, Enterprise Bot, ChatBot, Botbot.AI, Support Board, ChatAndBot, Tiledesk and Botfront.