Open Source Alternatives to Shieldwall
60 open source Cybersecurity options similar to Shieldwall, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Each profile notes license and self-hosting where we have it.
Cipherwake29CybersecurityMeasures quantum-decryption risk to sensitive data with its Decryption Blast Radius score.
Open source
Aqua Security69EnterpriseSan Francisco, United States$400.5MCloud native security platform for prevention, detection, and response across the application lifecycle.
Open source
Team Cymru57CybersecurityOrem, USA$63.0MReal-time threat intelligence platform.
Open source
Knostic53Cybersecurity$14.3MKnostic provides need-to-know access controls for Generative AI to prevent LLM oversharing.
Open source
Truffle Security47CybersecuritySan Francisco, United States$30.0MTruffle Security provides a platform for continuous security testing and vulnerability management.
Open source
Falco10CybersecurityOpen-source, cloud-native runtime security tool for detecting anomalous application behavior across hosts, containers, and Kubernetes.
Open source · Self-hostable
Umbrasec9CybersecurityIndependent defensive security research focused on detection engineering, threat analysis, and open-source tooling for defenders.
Open source
Guardianlayer8CybersecurityAI-powered cybersecurity platform for cloud-native applications and infrastructure.
Open source
Teleport69CybersecurityOakland, United States$190.0MProvides identity-based secure access to infrastructure for engineers and machines.
Open source
Aikido Security65CybersecurityGhent, Belgium$84.4MDeveloper-first security platform providing continuous AI-driven penetration testing and vulnerability remediation.
Open source
Demisto62EnterpriseSan Francisco, United States$69.0MSecurity automation and orchestration platform for automating security tasks and workflows.
Open source
SafeBreach61EnterpriseTel Aviv, Israel$140.5MSafeBreach offers a continuous security validation platform that simulates breach and attack scenarios to identify security gaps.
Open source
RAD Security60CybersecurityTel Aviv, Israel$29.0MAI-driven platform for securing AI workloads and cloud infrastructure with real-time, behavior-driven defense.
Open source
Giskard60Artificial IntelligenceParis, France$2.5MEurope's first independent sovereign guardrail platform for enterprise AI agents.
Open source
Seemplicity60EnterpriseTel Aviv, Israel$182.0MAutomates and streamlines cybersecurity risk reduction and remediation workflows.
Open source
Twistlock59EnterpriseSan Francisco, United States$62.8MEnterprise-grade security suite for virtual container security, from development to production.
Open source
Tamnoon58EnterpriseTel Aviv, Israel$17.1MManaged cloud defense and posture management for enterprise security teams.
Open source
Lightspin57EnterpriseTel Aviv, Israel$60.0MCloud security platform for SaaS companies, prioritizing and remediating risks with an attack path engine.
Open source
Ironblocks55EnterpriseTel Aviv, Israel$7.0MEnd-to-end cybersecurity solutions for the Web3 ecosystem.
Open source
Piiano54EnterpriseTel Aviv, Israel$9.0MPiiano provides developer infrastructure for data protection and compliance, helping companies prevent data breaches and exfiltration at the code level.
Open source
KTrust53EnterpriseTel Aviv, Israel$5.3MProactive Kubernetes security platform identifying and mitigating actual attack path exposures.
Open source
Mondoo50CybersecuritySan Francisco, United States$168.9MAgentic vulnerability management platform that eliminates vulnerabilities using AI.
Open source
Oplane49CybersecurityMalmö, Sweden$4.5MAgentic security platform for AI-assisted software development.
Open source
Torch Security48CybersecurityLeawood, United StatesTorch Security provides universal identity security and governance for all identities, including non-human ones like AI agents.
Open source
ORY47Identity & Access ManagementBerlin, Germany$17.0MOpen-source identity and authorization services for applications, offering composable and scalable IAM solutions.
Open source · Self-hostable
Slauth.io43EnterpriseAshburn, United States$1.5MArk Infotech offers Cybersecurity, AI/ML, Data Analytics, and IT consulting services, including the Slauth.io IAM Policy Copilot.
Open source · Self-hostable
Mayhem Security39CybersecurityBethesda, United StatesAI-powered platform for automated vulnerability discovery and remediation.
Open source
Paart35AI GovernancePaart inspects AI agent traffic to classify identities and enforce policy inline.
Open source
TandemTrace32Agentic AITandemTrace provides AI Threat Hunting Agents that weaponize LLMs for autonomous cybersecurity defense.
Open source
RSA31CybersecurityBedford, United StatesA global leader in cybersecurity and digital risk management solutions, protecting organizations from evolving threats.
Open source
Google reCAPTCHA Enterprise28CybersecurityMountain View, United StatesAI-powered bot protection and fraud prevention for websites and mobile applications.
Open source
GeeTest CAPTCHA25CybersecurityShanghai, ChinaGeeTest provides advanced bot management and detection solutions for real-time risk assessment and adaptive security.
Open source
Palo Alto Networks Cortex XDR23CybersecuritySanta Clara, United StatesIntegrated endpoint, network, and cloud security platform for threat detection and response.
Open source
Controlsecurity20CybersecurityAI-powered cybersecurity solutions for enhanced data protection.
Open source
Aemetis15Climate TechCupertino, United StatesAemetis is a renewable fuels and biochemicals company focused on low-carbon solutions like RNG and SAF.
Open source · Self-hostable
0sec11CybersecurityAn applied cybersecurity research lab using AI agents to autonomously discover, exploit, and verify software vulnerabilities.
Open source · Self-hostable
Exploitshield9CybersecurityAutomated crawler detecting malicious third-party scripts and maintaining blocklists for legitimate domains.
Open source
Kernelscan8CybersecurityKernelScan provides Linux kernel security intelligence, offering CycloneDX VEX reports based on kernel configuration and version.
Open source · Self-hostable
Meritsecurity6CybersecurityMerit Security offers expert cybersecurity services, preparing for launch.
Open source
Snyk76AI Coding AssistantBoston, United States$488.5MSnyk 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
Forter74FintechNew York, United States$550.0MForter provides an AI-powered trust platform for digital commerce, preventing fraud and abuse while maximizing revenue.
Open source
Tailscale72CybersecuritySan Francisco, United States$505.0MSecure, identity-based connectivity platform replacing VPNs, SASE, and PAM for modern teams and workloads.
Open source
Exabeam69EnterpriseFoster City, United States$390.0MExabeam provides a cloud-native cybersecurity platform combining SIEM and UEBA to detect, investigate, and respond to threats using AI.
Open source
Expel66CybersecurityHerndon, United States$267.8MManaged detection and response provider using AI and automation to enhance cybersecurity.
Open source
Coro65EnterpriseNew York, United States$235.0MCoro provides an all-in-one cybersecurity platform for mid-market organizations, defending against malware, ransomware, phishing, and other threats across devices, users, and cloud applications.
Open source
Perception Point65EnterpriseTel Aviv, Israel$38.0MPrevention-as-a-Service for next-gen threat detection across email, web, and cloud apps.
Open source
Vectra AI64CybersecuritySan Jose, USA$10.0MAI-powered network threat detection and response solutions for modern enterprises.
Open source
Oligo Security64EnterpriseTel Aviv, Israel$130.0MPrecise open source security solution leveraging runtime application context.
Open source · Self-hostable
Vanta63CybersecuritySan Francisco, United States$154.0MAutomates security and compliance for growing businesses.
Open source
CyCognito62EnterprisePalo Alto, United States$153.0MEnterprise cybersecurity platform that maps and secures the external attack surface.
Open source
Chainguard62CybersecuritySeattle, United States$385.0MSecures the software supply chain with verifiable builds and open-source security tooling.
Open source · Self-hostable
Mend61Open SourceTel Aviv, Israel$121.5MMend.io provides application security and open-source software management solutions to help organizations reduce risk and accelerate development.
Open source · Self-hostable
Red Canary61CybersecurityDenver, United States$90.0MDetects and responds to threats across endpoints, cloud, and identity for modern security teams.
Open source
FingerprintJS61Customer ServiceSan Francisco, United States$88.0MDevice intelligence platform for fraud prevention, bot detection, and enhanced customer experiences.
Open source
Clutch Security60CybersecuritySan Francisco, United States$10.0MUnified platform to discover, govern, and secure every identity, agent, and secret.
Open source
Netography58CybersecurityColumbia, United States$35.0MNetwork visibility and security analytics platform for modern, distributed environments.
Open source
Ray Security56EnterpriseSan Francisco, United States$11.0MPredictive data security platform that forecasts and maps data access for automated, adaptive protection.
Open source
ARMO56EnterpriseTel Aviv, Israel$34.5MARMO provides an open-source Kubernetes security platform, Kubescape, for end-to-end security from development to production.
Open source · Self-hostable
Backslash Security56CybersecurityTel Aviv, Israel$27.0MAgentic endpoint security for AI coding, providing visibility, governance, and real-time protection.
Open source
Token Security56EnterpriseSan Francisco, United States$27.0MSecures cloud environments by protecting human and non-human identities with a machine-first approach.
Open source