Yes, both Salesforce and Relay offer a Free Trial.
Salesforce is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Relay is designed for Large Enterprises, Small Business, Medium Business and Individuals.
Pricing for Salesforce Starts at $25/User/Month whereas for Relay Starts at $9/month when yearly.
Some top alternatives to Salesforce includes Salesforce Sales Cloud, Pipedrive, Freshsales, Thryv, Salesflare, Close, Vendasta, Keap, Hubspot Marketing Hub, Dynamics 365 Marketing, ClickUp, Zoho CRM, HubSpot CRM, Microsoft Dynamics 365 for Sales, Netsuite CRM, Wisdom CRM, SalesCRM, SimpleCRM and Zoho CRM Plus.
Some top alternatives to Relay includes and NinjaOne (NinjaRMM).