Yes, both Salesforce and ZIWO offer a Free Trial.
Salesforce is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
ZIWO is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Salesforce Starts at $25/User/Month whereas for ZIWO Starts at $109/User/Month.
Some top alternatives to Salesforce includes monday.com, Pipedrive, HubSpot CRM, Freshsales, Salesflare, Close, Vendasta, Keap, Zoho CRM, Microsoft Dynamics 365 for Sales, Thryv, Netsuite CRM, Wisdom CRM, SalesCRM, SimpleCRM and Zoho CRM Plus.
Some top alternatives to ZIWO includes Nextiva, TalkDesk, Calabrio One, CallTools, uContact, CloudTalk and Call Center Studio.