Open Source Alternatives to Avanan

Prevention-as-a-Service for next-gen threat detection across email, web, and cloud apps.

Open source

Cloud native security platform for prevention, detection, and response across the application lifecycle.

Open source

Coro 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

Cloud-based email security protecting Gmail and Office 365 from business email compromise.

Open source

Exabeam provides a cloud-native cybersecurity platform combining SIEM and UEBA to detect, investigate, and respond to threats using AI.

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Managed detection and response provider using AI and automation to enhance cybersecurity.

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Enterprise cybersecurity platform that maps and secures the external attack surface.

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Security automation and orchestration platform for automating security tasks and workflows.

Open source

SafeBreach offers a continuous security validation platform that simulates breach and attack scenarios to identify security gaps.

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Automates and streamlines cybersecurity risk reduction and remediation workflows.

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Enterprise-grade security suite for virtual container security, from development to production.

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Managed cloud defense and posture management for enterprise security teams.

Open source

Cloud security platform for SaaS companies, prioritizing and remediating risks with an attack path engine.

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Secures cloud environments by protecting human and non-human identities with a machine-first approach.

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Predictive data security platform that forecasts and maps data access for automated, adaptive protection.

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End-to-end cybersecurity solutions for the Web3 ecosystem.

Open source

Global leader in serverless architecture security, enabling secure and reliable serverless applications.

Open source

Proactive Kubernetes security platform identifying and mitigating actual attack path exposures.

Open source

Automated API security testing to proactively identify and eliminate complex application security risks.

Open source

Netskope provides a leading security service edge (SSE) platform that unifies security and networking to protect data and users everywhere.

Open source

Application Security Posture Management (ASPM) for enterprise application discovery, classification, and management.

Open source

Torch Security provides universal identity security and governance for all identities, including non-human ones like AI agents.

Open source

Next-gen API security for semantic applications and LLMs.

Open source · Self-hostable

Open-source, cloud-native runtime security tool for detecting anomalous application behavior across hosts, containers, and Kubernetes.

Open source · Self-hostable

Independent defensive security research focused on detection engineering, threat analysis, and open-source tooling for defenders.

Open source

Talon Cyber Security developed a secure enterprise browser for distributed workforces.

Open source

Enterprise browser securing hybrid work and remote access across any device.

Open source

Developer-first security platform providing continuous AI-driven penetration testing and vulnerability remediation.

Open source

AI-powered network threat detection and response solutions for modern enterprises.

Open source

Precise open source security solution leveraging runtime application context.

Open source · Self-hostable

Automated security alert triage and incident response platform for enterprises.

Open source

Proactive defense platform mapping security tools to threats and providing remediation plans.

Open source

Detects and responds to threats across endpoints, cloud, and identity for modern security teams.

Open source

Mend.io provides application security and open-source software management solutions to help organizations reduce risk and accelerate development.

Open source · Self-hostable

AI-driven platform for securing AI workloads and cloud infrastructure with real-time, behavior-driven defense.

Open source

Palo Alto Networks acquired LightCyber, a cybersecurity company specializing in behavioral analytics for advanced threat detection.

Open source

AI-powered cybersecurity solutions for endpoint protection and extended detection.

Open source

Network visibility and security analytics platform for modern, distributed environments.

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Real-time threat intelligence platform.

Open source

Agentic endpoint security for AI coding, providing visibility, governance, and real-time protection.

Open source

ARMO provides an open-source Kubernetes security platform, Kubescape, for end-to-end security from development to production.

Open source · Self-hostable

Automated, developer-verified application security fixes to reduce vulnerability exploits.

Open source

Piiano provides developer infrastructure for data protection and compliance, helping companies prevent data breaches and exfiltration at the code level.

Open source

Knostic provides need-to-know access controls for Generative AI to prevent LLM oversharing.

Open source

Agentic security platform for AI-assisted software development.

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Automates cloud and SaaS permissions management with just-in-time provisioning.

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Atom is a mobile-first digital bank offering personal and business banking services in the UK.

Open source

Secures software supply chains with tamper-proof delivery pipelines from commit to release.

Open source

Truffle Security provides a platform for continuous security testing and vulnerability management.

Open source

Cybersecurity solutions for network, cloud, and hybrid workforces, leveraging threat intelligence and consulting.

Open source

Cyberidge is a cybersecurity company focused on providing advanced threat detection and response solutions.

Open source

Israeli cybersecurity startup using AI for proactive security exposure detection.

Open source

Ark Infotech offers Cybersecurity, AI/ML, Data Analytics, and IT consulting services, including the Slauth.io IAM Policy Copilot.

Open source · Self-hostable

Mobile app security and API protection platform for preventing fraud and abuse.

Open source

Proactive cybersecurity intelligence and monitoring for aviation, focusing on communication vulnerabilities.

Open source

Codavel provides a mobile-first content delivery network (CDN) that optimizes app performance on any network.

Open source

Dynamic source-code analysis platform to detect and prevent open-source software supply-chain attacks.

Open source · Self-hostable

TandemTrace provides AI Threat Hunting Agents that weaponize LLMs for autonomous cybersecurity defense.

Open source

A global leader in cybersecurity and digital risk management solutions, protecting organizations from evolving threats.

Open source

Measures quantum-decryption risk to sensitive data with its Decryption Blast Radius score.

Open source