Yes, both Salesforce for Nonprofits and Classy offer a Free Trial.
Salesforce for Nonprofits is designed for Large Enterprises, Medium Business and Small Business.
Classy is designed for Medium Business and Small Business.
The starting price of Salesforce for Nonprofits begins at $36/User/Month, while pricing details for Classy are unavailable.
Some top alternatives to Salesforce for Nonprofits includes Salesforce, SalesCRM, Salesforce Sales Cloud, Qualified, Workvivo, Salesforce Partner Relationship Management, Salesforce Philanthropy Cloud, Salsa CRM, Aplos, NeonCRM, IFTTT and Fundra.
Some top alternatives to Classy includes Donation Spring, Online Charity Auction Software, OneCause, Fundraising Report Card, NeonCRM, Bloomerang, Dijon, SacreServ and Fundra.