Yes, both Copper (ProsperWorks CRM) and Mailshake offer a Free Trial.
Copper (ProsperWorks CRM) is designed for Large Enterprises, Medium Business and Small Business.
Mailshake is designed for Medium Business and Small Business.
Pricing for Copper (ProsperWorks CRM) Starts at $23/User/Month when Billed Yearly whereas for Mailshake Starts at $58/User/Month.
Some top alternatives to Copper (ProsperWorks CRM) includes Thryv, Salesforce Sales Cloud, monday sales CRM by monday.com, Pipedrive, Zoho CRM, Vendasta, ClickUp, Salesforce, The Real Estate CRM, Workbooks CRM, GoCRM, RealtimeCRM, SalesCRM, SimpleCRM, CRM.me, Cool Life CRM and CRM.io by 500apps.
Some top alternatives to Mailshake includes Apollo.io, AroundDeal, CrankWheel, ZoomInfo Engage, OutreachCRM, MailChimp, lemlist, OutreachPlus, AutoPitch, Outreach, Use Outreach, Instantly, OutReachly by 500apps and SmartReach.io.