RsaCtfTool vs XBOW Lightspeed: side-by-side comparison (2026)
RsaCtfTool is a free penetration testing solution. XBOW Lightspeed is a commercial penetration testing solution by XBOW. 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.
Autonomous web app pentesting platform with exploit validation
Side-by-side comparison
Feature
RsaCtfTool
XBOW Lightspeed
Pricing model
Free
Commercial
Category
Penetration Testing
Penetration Testing
Deployment and fit
Deployment type
On-Premises
Cloud
Company size fit
Startup, SMB
Startup, SMB, Mid-Market, Enterprise
Open source
GitHub stars
6,830
–
Last commit
Mar 2026
–
Company
Company
–
XBOW
Use cases and capabilities
CTF
Yes
No
Education
Yes
No
Exploit Development
No
Yes
Core features
No features listed
9 features listed
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