Yes, both Mailgun and SalezShark offer a Free Trial.
Mailgun is designed for Large Enterprises, Medium Business and Small Business.
SalezShark is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of SalezShark begins at $8/Month when Billed Yearly, while pricing details for Mailgun are unavailable.
Some top alternatives to Mailgun includes SMTP, Campaigner and Moosend.
Some top alternatives to SalezShark includes Thryv, monday sales CRM by monday.com, Pipedrive, Zoho CRM, Vendasta, Hubspot Marketing Hub, ClickUp, Freshsales, HubSpot CRM, CompanyHub CRM, Centra Hub CRM, GoCRM, SimpleCRM, CRM.me, DigitalCRM.com, CentraHub CRM and Contactspot.