Yes, both Okta and SolarWinds Service Desk offer a Free Trial.
Okta is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
SolarWinds Service Desk is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Okta Starts at $2/User/Month whereas for SolarWinds Service Desk Starts at $19/User/Month.
Some top alternatives to Okta includes Oracle Identity Management, SailPoint IdentityIQ, WSO2 Identity Server, Keycloak, Azure AD, Ping Intelligent Identity, Ping Identity, Teamstack, Auth0, Frontegg and Login-Master.
Some top alternatives to SolarWinds Service Desk includes Freshservice, ManageEngine ServiceDesk Plus, Ivanti Service Manager, Jira Service Desk, Symantec ServiceDesk, InvGate Service Desk, IBM Control Desk, HelpDesk, SysAid, Sitehelpdesk, HESK and TechExcel ServiceWise.