Open Source Alternatives to CyberShield
20 open source Cybersecurity options similar to CyberShield, 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.
- Puck52Endpoint SecurityUnited States
Open-source, AI-driven endpoint investigation tool for security teams.
Open source · Self-hostable
Backslash Security56CybersecurityTel Aviv, Israel$27.0MAgentic endpoint security for AI coding, providing visibility, governance, and real-time protection.
Open source
0sec11CybersecurityAn applied cybersecurity research lab using AI agents to autonomously discover, exploit, and verify software vulnerabilities.
Open source · Self-hostable
Falco10CybersecurityOpen-source, cloud-native runtime security tool for detecting anomalous application behavior across hosts, containers, and Kubernetes.
Open source · Self-hostable
Socket64Software Supply Chain SecuritySan Francisco, United States$60.0MSocket is a software supply chain security company that proactively blocks malicious open-source packages and extensions in AI-driven software development.
Open source
Probo58SMB SoftwareTel Aviv, Israel$2.5MOpen-source compliance solution for startups to achieve SOC 2, ISO 27001, and HIPAA.
Open source · Self-hostable
Fleet Device Management55CybersecuritySan Francisco, USA$32.0MAutonomous endpoint management platform to counter AI-accelerated exploits.
Open source · Self-hostable
OWASP38CybersecurityRaleigh, USAA global non-profit foundation dedicated to improving software security through open community collaboration.
Open source · Self-hostable
Umbrasec9CybersecurityIndependent defensive security research focused on detection engineering, threat analysis, and open-source tooling for defenders.
Open source
FINLAI designs8Digitalization PartnershipsLinz, AustriaDevelops digitalization partnerships, local IT security software (NoRisk), and AI agents for sole proprietors and SMEs.
Open source
Openthreatgrid8CybersecurityOpen honeynet telemetry, responsible threat intelligence sharing, and reproducible security research workflows for defenders and researchers.
Open source
Logz.io63EnterpriseTel Aviv, Israel$132.0MLogz.io provides an observability platform for cloud-native businesses, combining open-source tools for monitoring and security.
Open source · Self-hostable
CloudQuery53EnterpriseSan Francisco, United States$18.5MOpen-source data integration platform for security and infrastructure teams.
Open source · Self-hostable
Velum Labs49Machine LearningSan Francisco, United States$500KFirewall that controls access to information across AI and humans
Open source · Self-hostable
Flectra27Open SourceAhmedabad, IndiaOpen-source ERP and CRM software to streamline business operations and enhance productivity.
Open source · Self-hostable
ERPNext20Enterprise SoftwareBangalore, IndiaOpen-source ERP system for small and medium-sized businesses.
Open source · Self-hostable
Realnas19Open SourceOpen-source Network Attached Storage (NAS) operating system based on FreeBSD, managing ZFS, SMB, NFS, users, snapshots, and boot environments.
Open source · Self-hostable
Dolibarr18Open SourceOpen-source ERP and CRM web suite for businesses of all sizes.
Open source · Self-hostable
Whonix9Operating SystemA free, open-source, and hardened Linux distribution for advanced anonymity and security online.
Open source
Signal9MessagingWashington, United StatesEnd-to-end encrypted messaging and voice calling app focused on privacy and security.
Open source