Yes, both Constant Contact and Salesforce Service Cloud offer a Free Trial.
Constant Contact is designed for Large Enterprises, Medium Business and Small Business.
Salesforce Service Cloud is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Salesforce Service Cloud begins at $25/user/month when yearly, while pricing details for Constant Contact are unavailable.
Some top alternatives to Constant Contact includes Pipedrive, Campaigner, Moosend and SMTP.
Some top alternatives to Salesforce Service Cloud includes Zoho Desk, Zendesk Support, ManageEngine ServiceDesk Plus, Freshservice, Freshdesk, LiveAgent, HelpDesk, SysAid, Jitbit Helpdesk, HubSpot Service Hub, Help Scout, UseDesk, LabiDesk, AzureDesk, HESK and BoldDesk.