VMware
Nessus offers Free Trial, but Astra Pentest does not.
Nessus is designed for Large Enterprises, Medium Business and Small Business.
Astra Pentest is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Nessus Starts at $2,790/Year whereas for Astra Pentest Starts at $4,500.
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 Astra Pentest includes InsightVM, BeyondTrust Vulnerability Management, Microsoft Threat Vulnerability Management, Flexera Software Vulnerability Management, ManageEngine Vulnerability Manager Plus, Astra Security Suite, Snyk, TAC Security, reshift and Fallible.