Greymatter.io is a commercial microsegmentation solution by Greymatter.io. NoPorts is a commercial zero trust network access solution by Atsign. Features, integrations, deployment and the company behind each one, side by side.
Hi Citrix. Hide VPNs. Hide Windows on a LAN. Knocknoc solves this. Just in time identity linked allow-listing. DIY, on-premise or SaaS. Prevent attacks fast.
VisitZero trust service mesh platform for apps, APIs, and AI across hybrid cloud.
Zero-open-port remote access via cryptographic identity-first connectivity.
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Based on what each listing shows: deployment, company size, price and open source.
Greymatter.io fits if you need both cloud and on-premises options.
NoPorts fits if you want a cloud product and you are a small business.
Common questions when comparing Greymatter.io vs NoPorts for microsegmentation.
Greymatter.io: Zero trust service mesh platform for apps, APIs, and AI across hybrid cloud. Built by Greymatter.io.
NoPorts: Zero-open-port remote access via cryptographic identity-first connectivity. Built by Atsign.
The table above shows where their features, integrations, deployment and company size fit differ.
Greymatter.io is made by Greymatter.io. NoPorts is made by Atsign. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
In part. Greymatter.io and NoPorts are not in the same category on CybersecTools. Both cover ZTNA, Zero Trust Architecture, Microsegmentation. Use the table above to see where features, deployment and company size fit differ.
No Microsegmentation shortlist yet. This is the closest one.
Updated 2026-11-02
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