GREYCORTEX Mendel vs Justniffer: side-by-side comparison (2026)
GREYCORTEX Mendel is a commercial network detection and response solution by GREYCORTEX. Justniffer is a free network detection and response solution. Features, integrations, deployment and the company behind each one, side by side.
Network detection and response platform for IT, IoT, and OT threat monitoring
A network protocol analyzer for capturing and analyzing network traffic with a focus on TCP/IP flow reconstruction and response time tracking.
Side-by-side comparison
Feature
GREYCORTEX Mendel
Justniffer
Pricing model
Commercial
Free
Category
Network Detection and Response
Network Detection and Response
Deployment and fit
Deployment type
Hybrid
On-Premises
Company size fit
SMB, Mid-Market, Enterprise
Startup, SMB, Mid-Market, Enterprise
Company
Company
GREYCORTEX
–
Use cases and capabilities
NDR
Yes
No
Network Monitoring
Yes
No
Anomaly Detection
Yes
No
IoT Security
Yes
No
SCADA
Yes
No
Flow Analysis
Yes
No
PCAP
Yes
No
Network Visibility
Yes
No
Critical Infrastructure
Yes
No
Threat Analysis
Yes
No
Network Discovery
No
Yes
Protocol Analysis
No
Yes
Core features
7 features listed
No features listed
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