Yes, both Atera and Zendesk Support offer a Free Trial.
Atera is designed for Large Enterprises, Medium Business and Small Business.
Zendesk Support is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Atera Starts at $129/user/month when monthly whereas for Zendesk Support Starts at $19/user/month when yearly.
Some top alternatives to Atera includes Zoho Desk, Zendesk Support, ManageEngine ServiceDesk Plus, ConnectWise Control, Freshservice, ManageEngine Desktop Central, Freshdesk, Motadata HelpDesk, HelpDesk, Jitbit Helpdesk, Syncro, ManageEngine OpManager MSP, Datto RMM, ConnectWise Automate and NinjaOne (NinjaRMM).
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.