RsaCtfTool vs Synack Sara: side-by-side comparison (2026)
RsaCtfTool is a free penetration testing solution. Synack Sara is a commercial penetration testing solution by Synack. Features, integrations, deployment and the company behind each one, side by side.
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A utility that attempts to decrypt data from weak RSA public keys and recover private keys using multiple integer factorization algorithms.
AI-powered autonomous penetration testing platform with multi-agent system
Side-by-side comparison
Feature
RsaCtfTool
Synack Sara
Pricing model
Free
Commercial
Category
Penetration Testing
Penetration Testing
Deployment and fit
Deployment type
On-Premises
Cloud
Company size fit
Startup, SMB
SMB, Mid-Market, Enterprise
Open source
GitHub stars
6,830
–
Last commit
Mar 2026
–
Company
Company
–
Synack
Use cases and capabilities
CTF
Yes
No
Education
Yes
No
Triage
No
Yes
Red Team
No
Yes
AI Pentesting
No
Yes
Core features
No features listed
10 features listed
Integrations
No integrations listed
5 integrations listed
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