Open Source Alternatives to PQSecure
60 open source Post-Quantum Cryptography options similar to PQSecure, 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.
- FOFortanix35CybersecuritySanta Clara, United States$121.0M
Fortanix provides a data-first cybersecurity platform leveraging confidential computing for secure data and AI.
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
Ingonyama62SemiconductorTel Aviv, Israel$20.0MIngonyama develops specialized hardware to accelerate Zero-Knowledge Proof computations.
Open source
Ray Security57EnterpriseSan Francisco, United States$11.0MPredictive data security platform that forecasts and maps data access for automated, adaptive protection.
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
Knostic54Cybersecurity$14.3MKnostic provides need-to-know access controls for Generative AI to prevent LLM oversharing.
Open source
Netskope52CybersecuritySanta Clara, United States$1.5BNetskope provides a leading security service edge (SSE) platform that unifies security and networking to protect data and users everywhere.
Open source
Cipherwake29CybersecurityMeasures quantum-decryption risk to sensitive data with its Decryption Blast Radius score.
Open source
Nyx Security20CybersecurityTel Aviv, IsraelEmbedded cybersecurity firm offering secure design, development, and penetration testing services.
Open source
Kryptvakt8CybersecurityKryptvakt offers a secure, decentralized platform for managing and sharing sensitive data.
Open source
Snyk85AI 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
Exabeam78EnterpriseFoster 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
Vanta75CybersecuritySan Francisco, United States$154.0MAutomates security and compliance for growing businesses.
Open source
Auth075Identity & Access Management (IAM)Bellevue, United States$282.4MCustomer identity and access management platform for developers and enterprises.
Open source
Talon74CybersecurityTel Aviv, Israel$169.0MTalon Cyber Security developed a secure enterprise browser for distributed workforces.
Open source
Tailscale74CybersecuritySan Francisco, United States$505.0MSecure, identity-based connectivity platform replacing VPNs, SASE, and PAM for modern teams and workloads.
Open source
Cerebras Systems70AI ChipSunnyvale, United States$1.7BIndustry-leading AI infrastructure for ultra-fast AI inference and training powered by Wafer-Scale Engines.
Open source
- LALacework70AISan Jose, United States$1.3B
Data-driven cloud security platform providing automated threat detection and compliance across multi-cloud environments.
Open source
SafeBreach69EnterpriseTel Aviv, Israel$140.5MSafeBreach offers a continuous security validation platform that simulates breach and attack scenarios to identify security gaps.
Open source
Hailo69Edge ComputingTel Aviv, Israel$425.0MHailo develops AI processors for edge devices, enabling on-device generative AI.
Open source
Talon Cyber Security69EnterpriseNew York, United States$126.0MEnterprise browser securing hybrid work and remote access across any device.
Open source
Teleport69CybersecurityOakland, United States$190.0MProvides identity-based secure access to infrastructure for engineers and machines.
Open source
Aqua Security69EnterpriseSan Francisco, United States$400.5MCloud native security platform for prevention, detection, and response across the application lifecycle.
Open source
Corelight67Network SecuritySan Francisco, United States$284.2MOpen network detection and response platform for cybersecurity.
Open source
Expel66CybersecurityHerndon, United States$267.8MManaged detection and response provider using AI and automation to enhance cybersecurity.
Open source
SiFive66AI ChipSan Jose, United States$774.9MDesigns and licenses RISC-V based custom processor cores and IP for diverse applications.
Open source
Aikido Security65CybersecurityGhent, Belgium$84.4MDeveloper-first security platform providing continuous AI-driven penetration testing and vulnerability remediation.
Open source
Perception Point65EnterpriseTel Aviv, Israel$38.0MPrevention-as-a-Service for next-gen threat detection across email, web, and cloud apps.
Open source
RAD Security64CybersecurityTel Aviv, Israel$29.0MAI-driven platform for securing AI workloads and cloud infrastructure with real-time, behavior-driven defense.
Open source
Vectra AI64CybersecuritySan Jose, USA$10.0MAI-powered network threat detection and response solutions for modern enterprises.
Open source
Habana Labs64ComputingTel Aviv, Israel$105.0MDevelops AI and Deep Learning processors for data centers and cloud environments.
Open source
- YUYubico63CybersecurityStockholm, Sweden
The leading provider of hardware security keys.
Open source
CyCognito63EnterprisePalo Alto, United States$153.0MEnterprise cybersecurity platform that maps and secures the external attack surface.
Open source
Opsys63AutomotiveYokneam Illit, Israel$51.5MDevelops advanced pure solid-state scanning LiDAR for ADAS and autonomous vehicles.
Open source
Oligo Security63EnterpriseTel Aviv, Israel$130.0MPrecise open source security solution leveraging runtime application context.
Open source · Self-hostable
Tracebit63CybersecurityLondon, United Kingdom$25.0MCloud-native cybersecurity company focused on threat detection using deception technology.
Open source
Team Cymru62CybersecurityOrem, USA$63.0MReal-time threat intelligence platform.
Open source
Chainguard62CybersecuritySeattle, United States$385.0MSecures the software supply chain with verifiable builds and open-source security tooling.
Open source · Self-hostable
Demisto62EnterpriseSan Francisco, United States$69.0MSecurity automation and orchestration platform for automating security tasks and workflows.
Open source
Seemplicity61EnterpriseTel Aviv, Israel$182.0MAutomates and streamlines cybersecurity risk reduction and remediation workflows.
Open source
Red Canary61CybersecurityDenver, United States$90.0MDetects and responds to threats across endpoints, cloud, and identity for modern security teams.
Open source
Twingate61CybersecurityRedwood City, United States$62.0MTwingate provides a Zero Trust Network Access solution that replaces traditional VPNs for secure remote access.
Open source
Intruder60CybersecurityLondon, United Kingdom$63.0MAttack surface management company.
Open source
Twistlock60EnterpriseSan Francisco, United States$62.8MEnterprise-grade security suite for virtual container security, from development to production.
Open source
Ping Identity60Identity & Access Management (IAM)Denver, United States$111.0MProvider of identity security solutions for the digital enterprise.
Open source
Mend60Open 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
Clutch Security59CybersecuritySan Francisco, United States$10.0MUnified platform to discover, govern, and secure every identity, agent, and secret.
Open source
OneLayer58CybersecurityBoston, United States$43.0MZero Trust cybersecurity and asset management for private 5G/LTE networks and IoT devices.
Open source
Netography58CybersecurityColumbia, United States$35.0MNetwork visibility and security analytics platform for modern, distributed environments.
Open source
Tamnoon57EnterpriseTel Aviv, Israel$17.1MManaged cloud defense and posture management for enterprise security teams.
Open source
JupiterOne57CybersecurityCary, USA$3.0MAn AI risk management platform provider.
Open source
Token Security57EnterpriseSan Francisco, United States$27.0MSecures cloud environments by protecting human and non-human identities with a machine-first approach.
Open source
ARMO57EnterpriseTel 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
Qrypt55CybersecurityNew York, United States$50.0MQuantum-powered cybersecurity solutions providing unbreakable encryption and quantum entropy for data protection.
Open source
Excelero55Data CenterSanta Clara, United States$25.0MNVIDIA is a global leader in accelerated computing, pioneering GPU-accelerated computing for gaming, professional visualization, data centers, and autonomous machines.
Open source
Sequen55CryptographicSan Francisco, United States$16.0MSecure and transparent online voting solutions using advanced cryptography for verifiable elections.
Open source
Enosemi54Chip DesignSanta Clara, United States$1.6MAMD is a global semiconductor company designing high-performance computing, graphics, and visualization technologies.
Open source
Lightspin54EnterpriseTel Aviv, Israel$60.0MCloud security platform for SaaS companies, prioritizing and remediating risks with an attack path engine.
Open source
KTrust54EnterpriseTel Aviv, Israel$5.3MProactive Kubernetes security platform identifying and mitigating actual attack path exposures.
Open source
Ironblocks54EnterpriseTel Aviv, Israel$7.0MEnd-to-end cybersecurity solutions for the Web3 ecosystem.
Open source