GREYCORTEX Mendel is a commercial network detection and response solution by GREYCORTEX. Mercury 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
Network metadata capture and analysis tool
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Based on what each listing shows: deployment, company size, price and open source.
GREYCORTEX Mendel fits if you need both cloud and on-premises options and you are a small business.
Mercury fits if you need to run it on your own servers, you need a free product and you want an open-source product.
Common questions when comparing GREYCORTEX Mendel vs Mercury for network detection and response.
GREYCORTEX Mendel: Network detection and response platform for IT, IoT, and OT threat monitoring. Built by GREYCORTEX.
Mercury: Network metadata capture and analysis tool.
The table above shows where their features, integrations, deployment and company size fit differ.
GREYCORTEX Mendel is made by GREYCORTEX. Mercury is open-source with 501 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. GREYCORTEX Mendel and Mercury are both Network Detection and Response products, and both cover PCAP. Key differences: GREYCORTEX Mendel is Commercial while Mercury is Free, Mercury is open-source. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-02
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