VMware
Yes, both Nessus and JetPatch offer a Free Trial.
Nessus is designed for Large Enterprises, Medium Business and Small Business.
JetPatch is designed for Medium Business and Small Business.
The starting price of Nessus begins at $2,790/Year, while pricing details for JetPatch are unavailable.
Some top alternatives to Nessus includes Tenable.io, BeyondTrust Vulnerability Management, Qualys VM, Microsoft Threat Vulnerability Management, Flexera Software Vulnerability Management, ManageEngine Vulnerability Manager Plus, Unified VRM, Acunetix, Qualys Patch Management and Qualys Cloud Platform.
Some top alternatives to JetPatch includes Microsoft Threat Vulnerability Management, Flexera Software Vulnerability Management, ManageEngine Vulnerability Manager Plus, Ivanti Patch for SCCM, Patch My PC, SolarWinds Patch Manager, ManageEngine Patch Manager Plus, Qualys Patch Management, DarkSight and Tanium Patch.