Yes, both SalesNexus and RingCentral Office offer a Free Trial.
SalesNexus is designed for Large Enterprises and Medium Business.
RingCentral Office is designed for Large Enterprises, Medium Business and Small Business.
Pricing for SalesNexus Starts at $45/User/Month when Billed Yearly whereas for RingCentral Office Starts at $19.99/User/Month when Billed Yearly.
Some top alternatives to SalesNexus includes Salesforce Sales Cloud, Thryv, Pipedrive, Zoho CRM, Vendasta, ClickUp, Salesforce, GoCRM, Keap, SalesCRM, SimpleCRM, Simply CRM, Second CRM, Snapforce CRM and CRMSuite.
Some top alternatives to RingCentral Office includes RingByName, VoIPstudio, Vonage Business, 3CX, 4PSA VoipNow, Infobip, Voxloud, MightyCall, Ringover, Voxbi and AT&T Office@Hand.