Yes, both Salesforce and Yammer offer a Free Trial.
Salesforce is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Yammer is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Salesforce begins at $25/User/Month, while pricing details for Yammer are unavailable.
Some top alternatives to Salesforce includes Salesforce Sales Cloud, Pipedrive, Thryv, 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 Yammer includes Interact, Interact Software, MyHub Intranet Software, Creative Social Intranet, Attollo Intranet, Oak Engage, Engynn Intranet and OneWindow Workplace.