Yes, both Okta and Microsoft Excel offer a Free Trial.
Okta is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Microsoft Excel is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for Okta Starts at $2/User/Month whereas for Microsoft Excel Starts at $5.
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 Microsoft Excel includes SpreadsheetWEB, Apple Numbers, Zoho Sheet, Google Sheets, Retable, Rows, LibreOffice, iWork and Sheet2APi.