Yes, both WSO2 API Manager and SwaggerHub offer a Free Trial.
WSO2 API Manager is designed for Large Enterprises, Medium Business and Small Business.
SwaggerHub is designed for Large Enterprises, Medium Business and Small Business.
Pricing for WSO2 API Manager Starts at $2,000 whereas for SwaggerHub Starts at $90/Month when Billed Yearly.
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.
Some top alternatives to SwaggerHub includes Apigee Edge, Postman, MuleSoft Anypoint Platform, WSO2 API Manager, RepreZen API Studio, Stoplight, APITree, Apitive Studio, Meta API and Dapi.