Open Source Alternatives to Greymatter AI
10 open source Cybersecurity options similar to Greymatter AI, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.
ARMONot ratedARMO provides an open-source Kubernetes security platform, Kubescape, for end-to-end security from development to production.
Open source · Self-hostable
ORYNot ratedOpen-source identity and authorization services for applications, offering composable and scalable IAM solutions.
Open source · Self-hostable
Slauth.ioNot ratedArk Infotech offers Cybersecurity, AI/ML, Data Analytics, and IT consulting services, including the Slauth.io IAM Policy Copilot.
Open source · Self-hostable
FalcoNot ratedOpen-source, cloud-native runtime security tool for detecting anomalous application behavior across hosts, containers, and Kubernetes.
Open source · Self-hostable
ZsvirtNot ratedA production-ready, lightweight open-source virtualization platform for environments from homelabs to hyperscale infrastructure.
Open source
SnykNot ratedSnyk is a developer security platform that helps software teams find and fix vulnerabilities in code, open source dependencies, containers, and cloud infrastructure.
Open source · Self-hostable
ChainguardNot ratedSecures the software supply chain with verifiable builds and open-source security tooling.
Open source · Self-hostable
IronClawNot ratedIronClaw is a security-first, open-source AI agent framework that runs agents in encrypted environments, protecting sensitive credentials.
Open source
OutshiftNot ratedCisco's internal incubation engine for emerging technologies like agentic AI and quantum networking.
Open source · Self-hostable
Logz.ioNot ratedLogz.io provides an observability platform for cloud-native businesses, combining open-source tools for monitoring and security.
Open source · Self-hostable

