How many alternatives to BlockAPT Quantum are available?

There are 48 alternatives to BlockAPT Quantum listed on CybersecTools, all within the Quantum Security category. Each alternative is matched based on shared capabilities, tags, and NIST CSF coverage areas.

Is BlockAPT Quantum free or commercial?

BlockAPT Quantum is a commercial Quantum Security tool. It requires a paid license or subscription. Both free and commercial alternatives are available for comparison.

What type of tool is BlockAPT Quantum?

BlockAPT Quantum is a Quantum Security tool within the broader Data Protection category. It is used by security professionals for quantum security capabilities and can be compared against 48 similar tools.

48 Best BlockAPT Quantum Alternatives & Competitors (2026)

Top BlockAPT Quantum Alternatives and Competitors at a Glance

A closer look at the 8 most relevant alternatives and competitors to BlockAPT Quantum, including their key features and shared capabilities.

Arqit SKA-Platform

Commercial

Quantum Security

Quantum-safe key agreement platform for securing comms across endpoints.

Key features: Dynamic quantum-safe encryption key generation at endpoints via lightweight software agents, Over-the-Air (OTA) bootstrap key delivery using NIST ML-KEM post-quantum algorithms, Mutual authentication with per-session key rotation for perfect forward secrecy, One-time-use on-demand encryption keys supporting zero trust architecture, Unlimited key volume generation scalable to variable group sizes

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Post-Quantum Quantum Safe Platform

Commercial

Quantum Security

Modular PQC platform covering identity, VPN, and messaging security.

Key features: Multi-factor biometric authentication (Nomidio), Quantum-resistant credential management, Approval-as-a-service (Quorum), Hybrid PQ VPN implementing RFC9370 (IKEv2 multi-key exchange standard), End-to-end quantum-resistant encrypted messaging

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ZeroTier Quantum

Commercial

Quantum Security

Post-quantum secure network overlay platform for distributed environments.

Key features: Post-quantum and hybrid classical/quantum-resistant encryption, Cryptographic identity-based device authentication, End-to-end encrypted peer-to-peer connectivity, Automatic NAT traversal and adaptive path discovery, Centrally defined, locally enforced network policy

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Arqit NetworkSecure

Commercial

Quantum Security

Quantum-safe VPN hardening via on-demand encrypted key orchestration.

Key features: Quantum-safe encryption key generation and orchestration for IPsec VPN tunnels, Protection against Store Now, Decrypt Later (SNDL) quantum attacks, Multi-layer OSI support: TLS, Layer 3 IPsec, Layer 2 MACsec, and Layer 1 OTNsec, Split-trust key agreement ensuring the SKA-Platform has no knowledge of data encryption keys, Short-lived, forward-secrecy authentication keys with automatic data key rotation

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QuintessenceLabs Product Portfolio

Commercial

Quantum Security

Quantum-enabled portfolio for key mgmt, QKD, QRNG, and data protection.

Key features: Centralized, vendor-neutral encryption key management (TSF) with PQC crypto-agility and Common Criteria Certification, Continuous Variable Quantum Key Distribution (CV-QKD) over optical links (qOptica 100), Quantum Random Number Generation at 1 Gb/sec, NIST 800-90B certified (qStream QRNG), Quantum-safe key distribution using NIST-approved PQC algorithms with support for ETSI 014, Cisco SKIP, and NOKIA Key Output protocols (qConnect), Cloud-hosted Entropy as a Service (EaaS) on a subscription basis (qStream EaaS)

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QuintessenceLabs Technology Portfolio

Commercial

Quantum Security

Quantum-based QRNG, QKD, and enterprise key mgmt for post-quantum security.

Key features: Quantum Random Number Generation via quantum tunneling at 1 Gbit/sec, Entropy as a Service (EaaS) via qStream™ subscription, Continuous Variable Quantum Key Distribution (CV-QKD) via qOptica, Detectable interception tracing in key exchange using laws of physics, Enterprise Key Management Server (KMS) with full cryptographic key lifecycle management

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QiSpace™ SEQUR

Commercial

Quantum Security

QEaaS platform for quantum entropy generation and secure distribution to endpoints.

Key features: Multisource quantum random number generation (QRNG) with entropy source diversity, Quantum-secure entropy distribution using Quantum Permutation Pad (QPP) technology achieving Shannon Perfect Secrecy, Gigabit-per-second entropy distribution over existing internet infrastructure, Entropy sovereignty with customer-hosted middle tier and full customer ownership of entropy, Support for air-gapped deployments and customer-supplied entropy sources

View QiSpace™ SEQUR|QiSpace™ SEQUR alternatives|Compare QiSpace™ SEQUR

PQShield Quantum-safe Software & Hardware

Commercial

Quantum Security

Quantum-safe cryptographic software, hardware IP, and firmware upgrade solutions.

Key features: Post-quantum cryptographic software SDKs and libraries, Hardware IP cores for chip and SoC integration, Firmware upgrades to enable quantum-safe cryptography on existing devices, Support for NIST-standardized post-quantum algorithms (ML-KEM, ML-DSA, SLH-DSA), Hybrid classical and post-quantum cryptographic scheme support

View PQShield Quantum-safe Software & Hardware|PQShield Quantum-safe Software & Hardware alternatives|Compare PQShield Quantum-safe Software & Hardware

The most popular alternatives to BlockAPT Quantum include Arqit SKA-Platform, Post-Quantum Quantum Safe Platform, ZeroTier Quantum, Arqit NetworkSecure, and QuintessenceLabs Product Portfolio. These Quantum Security tools offer similar capabilities and are frequently compared by security professionals evaluating their options.

Best BlockAPT Quantum Alternatives & Competitors in 2026

BlockAPT Quantum Alternatives and Competitors

Top BlockAPT Quantum Alternatives and Competitors at a Glance

All 48 Alternatives & Competitors to BlockAPT Quantum

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