Open Source Alternatives to Harmonic Security
19 open source Cybersecurity options similar to Harmonic Security, 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.
Backslash SecurityNot ratedAgentic endpoint security for AI coding, providing visibility, governance, and real-time protection.
Open source
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
ORYNot ratedOpen-source identity and authorization services for applications, offering composable and scalable IAM solutions.
Open source · Self-hostable
OWASPNot ratedA global non-profit foundation dedicated to improving software security through open community collaboration.
Open source · Self-hostable
OutshiftNot ratedCisco's internal incubation engine for emerging technologies like agentic AI and quantum networking.
Open source · Self-hostable
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
CIQNot ratedSponsors of OpenWALDO, a community-driven initiative for open-source AI training data, and provider of enterprise Linux, HPC, and AI infrastructure software.
Open source
ARMONot ratedARMO provides an open-source Kubernetes security platform, Kubescape, for end-to-end security from development to production.
Open source · Self-hostable
Elementary DataNot ratedElementary Data provides a unified data control plane for the AI era, offering observability, quality, governance, and discovery for data and AI reliability.
Open source
WSO2Not ratedAn open-source technology provider offering an open control plane for AI agents.
Open source · Self-hostable
- PuckNot rated
Open-source, AI-driven endpoint investigation tool for security teams.
Open source · Self-hostable
Archestra.AINot ratedAn open-source platform enabling enterprises to securely connect sensitive data to AI agents.
Open source · Self-hostable
DocsGPTNot ratedOpen-source AI platform for securely deploying intelligent agents, private enterprise search, and complex document workflows on an organization's own data.
Open source · Self-hostable
ZsvirtNot ratedA production-ready, lightweight open-source virtualization platform for environments from homelabs to hyperscale infrastructure.
Open source
ProboNot ratedOpen-source compliance solution for startups to achieve SOC 2, ISO 27001, and HIPAA.
Open source · Self-hostable
Fleet Device ManagementNot ratedAutonomous endpoint management platform to counter AI-accelerated exploits.
Open source · Self-hostable
ElmoNot ratedOpen source AI model visibility tracking and competitor benchmarking.
Open source · Self-hostable