Nimbostratus vs RunSybil: side-by-side comparison (2026)
Nimbostratus is a free penetration testing solution. RunSybil is a commercial penetration testing solution by RunSybil. Features, integrations, deployment and the company behind each one, side by side.
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A proof-of-concept toolkit for fingerprinting and exploiting Amazon Web Services cloud infrastructures using the boto library.
AI-driven continuous attack surface assessment and validation platform.
Side-by-side comparison
Feature
Nimbostratus
RunSybil
Pricing model
Free
Commercial
Category
Penetration Testing
Penetration Testing
Deployment and fit
Deployment type
Cloud
Cloud
Company size fit
Mid-Market, Enterprise
SMB, Mid-Market, Enterprise
Open source
GitHub stars
479
–
Last commit
Feb 2014
–
Company
Company
–
RunSybil
Use cases and capabilities
Reconnaissance
Yes
Yes
AWS
Yes
No
Proof of Concept
Yes
No
AI Pentesting
No
Yes
Attack Paths
No
Yes
Continuous Testing
No
Yes
Vulnerability Prioritization
No
Yes
DAST
No
Yes
Red Team
No
Yes
Security Scanning
No
Yes
Vulnerability
No
Yes
Cloud Native
No
Yes
Core features
No features listed
10 features listed
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