Yes, both Zero Keyboard and Salesforce offer a Free Trial.
Zero Keyboard is designed for Medium Business and Small Business.
Salesforce is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Salesforce begins at $25/User/Month, while pricing details for Zero Keyboard are unavailable.
Some top alternatives to Zero Keyboard includes Salesforce, SalesNexus, Salesforce Essentials, Snapforce CRM, SalesNOW, Action Card, LeadSquared Field Force Automation, Salesforce Sales Cloud, Qualified, Workvivo, Resco and IFTTT.
Some top alternatives to Salesforce includes Thryv, Salesforce Sales Cloud, monday sales CRM by monday.com, Pipedrive, Zoho CRM, Vendasta, Hubspot Marketing Hub, Dynamics 365 Marketing, ClickUp, HubSpot CRM, Microsoft Dynamics 365 for Sales, Netsuite CRM, Keap, Wisdom CRM, SalesCRM, SimpleCRM and Zoho CRM Plus.