Yes, both Ninja Forms and Salesforce offer a Free Trial.
Ninja Forms is designed for Large Enterprises, Medium Business and Small Business.
Salesforce is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Ninja Forms Starts at $49/Year whereas for Salesforce Starts at $25/User/Month.
Some top alternatives to Ninja Forms includes Formidable Forms, Cognito Forms, Formsite, Typeform, Gravity Forms, Jotform, 123FormBuilder, weForms, WPForms, Forms, Forms.io by 500apps and FormLink.
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.