Yes, both Salesforce and WSO2 API Manager offer a Free Trial.
Salesforce is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
WSO2 API Manager is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Salesforce Starts at $25/User/Month whereas for WSO2 API Manager Starts at $2,000.
Some top alternatives to Salesforce includes Thryv, monday sales CRM by monday.com, Pipedrive, Vendasta, Hubspot Marketing Hub, Dynamics 365 Marketing, ClickUp, Zoho CRM, HubSpot CRM, Microsoft Dynamics 365 for Sales, Netsuite CRM, Keap, Wisdom CRM, SalesCRM, SimpleCRM and Zoho CRM Plus.
Some top alternatives to WSO2 API Manager includes 3scale, Dell Boomi API Management, Apigee Edge, IBM API Connect, Kong, Tyk API Management Platform, WSO2 Identity Server, Meta API, Software AG webMethods, NextGen Healthcare EHR, NextGen Enterprise and NextGen Office.