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48 Best QSE Entropy as a Service Alternatives & Competitors (2026) | CybersecTools

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QSE Entropy as a Service

Best QSE Entropy as a Service Alternatives & Competitors in 2026

Top picks: QuintessenceLabs Technology Portfolio, QSE Cloud Storage (QSE CDS), QNu Labs Tropos (QRNG) — plus 45 more compared.

Data Protection

Evaluating QSE Entropy as a Service alternatives comes down to matching Data Protection capabilities to your environment, integrations, and budget rather than chasing feature parity. The options below are compared on what actually drives a switch: coverage, deployment fit, pricing, and real reviews from security teams. Independent and vendor-neutral: we never sell rankings.

QSE Entropy as a Service Alternatives and Competitors

QSE Entropy as a Service is a commercial Quantum Security tool developed by QSE Group. Security professionals most commonly compare it with QuintessenceLabs Technology Portfolio, QSE Cloud Storage (QSE CDS), QNu Labs Tropos (QRNG), QNu Hodos - Post Quantum Cryptography (PQC), and Arqit SKA-Platform. All 48 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.

Data verified Jul 2026

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Top QSE Entropy as a Service Alternatives and Competitors at a Glance

A closer look at the 8 most relevant alternatives and competitors to QSE Entropy as a Service, including their key features and shared capabilities.

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

View QuintessenceLabs Technology Portfolio|QuintessenceLabs Technology Portfolio alternatives|Compare QuintessenceLabs Technology Portfolio

QSE Cloud Storage (QSE CDS)

Commercial

Quantum Security

Quantum-resilient decentralized cloud storage with QRNG-based encryption

Key features: Hardware QRNG-based entropy generation for encryption keys, AES-256 and RSA-4096 quantum-resistant encryption, Decentralized storage across IPFS network, Zero-knowledge encryption architecture, File splitting and distributed chunk storage

View QSE Cloud Storage (QSE CDS)|QSE Cloud Storage (QSE CDS) alternatives|Compare QSE Cloud Storage (QSE CDS)

QNu Labs Tropos (QRNG)

Commercial

Quantum Security

Quantum random number generator using photon detection for cryptography

Key features: Quantum-based random number generation using photon detection, Time-of-arrival method for single photon detection, RESTful API interface for random number delivery, Built-in randomness test suites for bit validation, High-throughput key generation

View QNu Labs Tropos (QRNG)|QNu Labs Tropos (QRNG) alternatives|Compare QNu Labs Tropos (QRNG)

QNu Hodos - Post Quantum Cryptography (PQC)

Commercial

Quantum Security

Quantum-resistant public key cryptography software based on NIST PQC standards

Key features: Lattice-based quantum-resistant cryptographic algorithms, NIST PQC standards compliance, Platform-independent deployment across servers, mobile devices, FPGAs, and PCIe cards, FPGA-accelerated algorithm implementation, Application-level security library

View QNu Hodos - Post Quantum Cryptography (PQC)|QNu Hodos - Post Quantum Cryptography (PQC) alternatives|Compare QNu Hodos - Post Quantum Cryptography (PQC)

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

View Arqit SKA-Platform|Arqit SKA-Platform alternatives|Compare Arqit SKA-Platform

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

View Post-Quantum Quantum Safe Platform|Post-Quantum Quantum Safe Platform alternatives|Compare Post-Quantum Quantum Safe Platform

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)

View QuintessenceLabs Product Portfolio|QuintessenceLabs Product Portfolio alternatives|Compare QuintessenceLabs Product Portfolio

Quantum eMotion

Commercial

Quantum Security

Quantum-safe hardware & software using QRNG and PQC for encryption.

Key features: Electron-based QRNG generating true quantum randomness at 1.8 Gbps, Post-Quantum Cryptography (PQC) integration for quantum-resilient encryption, End-to-end quantum-safe communications platform (Sentry-Q), Cloud-based entropy-as-a-service for on-demand key generation (eFlux-Q), Developer SDK for building quantum-resilient applications (eCrypto-Q)

View Quantum eMotion|Quantum eMotion alternatives|Compare Quantum eMotion

All 48 Alternatives & Competitors to QSE Entropy as a Service

Compare

QuintessenceLabs Technology Portfolio

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

Quantum Security

Compare

QSE Cloud Storage (QSE CDS)

Quantum-resilient decentralized cloud storage with QRNG-based encryption

Quantum Security

Compare

QNu Labs Tropos (QRNG)

Quantum random number generator using photon detection for cryptography

Quantum Security

Compare

QNu Hodos - Post Quantum Cryptography (PQC)

Quantum-resistant public key cryptography software based on NIST PQC standards

Quantum Security

Compare

Arqit SKA-Platform

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

Quantum Security

Compare

Post-Quantum Quantum Safe Platform

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

Quantum Security

Compare

QuintessenceLabs Product Portfolio

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

Quantum Security

Compare

Quantum eMotion

Quantum-safe hardware & software using QRNG and PQC for encryption.

Quantum Security

Compare

Quantum key distribution platform using prime-indexed phase rotations (PB-QKD).

Quantum Security

Compare

IBM Z Crypto Discovery & Inventory

Cryptographic asset discovery and inventory tool for IBM Z mainframes

Quantum Security

Compare

Quantum-safe data protection platform securing data in transit with encryption

Quantum Security

Compare

BlockAPT Quantum

Quantum-secure VPN solution protecting data-in-motion and data-at-rest

Quantum Security

Compare

QSE QPA: Quantum Preparedness Assessment

Assessment tool evaluating quantum computing threat readiness

Quantum Security

Compare

QTrino Labs PQC Transition Platform

PQC transition platform for quantum-safe cryptographic migration

Quantum Security

Compare

QNu Labs QShield

Quantum security platform protecting confidential data across environments

Quantum Security

Compare

Venari Adaptive Cryptographic Intelligence Platform

AI-powered platform for cryptographic asset discovery and PQC transition mgmt.

Quantum Security

Compare

TYCHON Quantum Readiness Automated Cryptography Discovery & Inventory (ACDI)

Automated cryptography discovery and inventory tool for PQC compliance

Quantum Security

Compare

Quantum key exchange network solution for cryptographic resilience

Quantum Security

Compare

Post-quantum cryptographic authentication solution with passwordless access

Quantum Security

Compare

Sitehop SAFE Series

Hardware-based network encryption system for securing data in motion

Quantum Security

Compare

Quantum Key Distribution

Quantum Key Distribution system for ultra-secure communications

Quantum Security

Compare

Quantis QRNG Chip

Quantum random number generator chip for cryptographic applications

Quantum Security

Compare

CyberRidge Photonic Layer Security

Post-quantum photonic layer security for data-in-transit protection

Quantum Security

Compare

Arqit Encryption Intelligence

Crypto risk assessment & PQC migration planning platform for enterprises.

Quantum Security

Compare

Guardtime KSI Blockchain

Hash-based blockchain tech for quantum-immune data integrity & authentication.

Quantum Security

Compare

Agentless crypto inventory & risk assessment tool for PQC readiness.

Quantum Security

Compare

ISARA Radiate Quantum-Safe Toolkit

SDK for integrating NIST-standardized PQC algorithms into apps and devices.

Quantum Security

Compare

Encrypted mobile voice & messaging app using post-quantum cryptography.

Quantum Security

Compare

MerlinCryption ASBE

Nondeterministic block encryption algo resistant to quantum & AI attacks.

Quantum Security

Compare

Post-quantum crypto discovery, agility & mgmt for US gov agencies.

Quantum Security

Compare

Quantum-safe cryptography and key management solutions provider.

Quantum Security

Compare

Quantum Industries High Speed QKD System

Hardware QKD system for quantum-secure cryptographic key distribution.

Quantum Security

Compare

Quantum Industries Long Distance QKD System

Long-distance quantum key distribution system for secure cryptographic key exchange.

Quantum Security

Compare

Post-quantum cryptography hardware IP cores, FPGAs, and SoC solutions.

Quantum Security

Compare

AI and quantum computing platform for cybersecurity, drug discovery, and science.

Quantum Security

Compare

NQX™ Quantum-Safe Encryption

Quantum-safe encryption product for securing network data in transit.

Quantum Security

Compare

QiSpace™ SEQUR

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

Quantum Security

Compare

Cryptographic intelligence platform for mapping hidden encryption & PQC risks.

Quantum Security

Compare

ZeroTier Quantum

Post-quantum secure network overlay platform for distributed environments.

Quantum Security

Compare

PQShield Quantum-safe Software & Hardware

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

Quantum Security

Compare

CypheronLabs Cypheron-core

Post-quantum cryptography library with NIST-standardized algorithms

Quantum Security

Free

Compare

Quantum-based link verification for optical communication networks

Quantum Security

Compare

Arqit NetworkSecure

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

Quantum Security

Compare

AI-driven IT asset mapping platform for post-quantum cryptography readiness.

Quantum Security

Compare

Entanglement-based quantum network solution for secure communications

Quantum Security

Compare

QuSecure QuProtect R3

PQC platform for crypto asset discovery, remediation, and compliance reporting.

Quantum Security

Compare

QKD platform combining satellite & fibre to secure comms against quantum threats.

Quantum Security

Compare

Cyberstorage platform using shard-based encryption to prevent ransomware & cut costs.

Quantum Security

Also compare alternatives to:

QuintessenceLabs Technology Portfolio alternatives QSE Cloud Storage (QSE CDS) alternatives QNu Labs Tropos (QRNG) alternatives QNu Hodos - Post Quantum Cryptography (PQC) alternatives Arqit SKA-Platform alternatives Post-Quantum Quantum Safe Platform alternatives QuintessenceLabs Product Portfolio alternatives Quantum eMotion alternatives QbitShield alternatives IBM Z Crypto Discovery & Inventory alternatives Certes DPRM alternatives BlockAPT Quantum alternatives

Compare QSE Entropy as a Service with:

QSE Entropy as a Service vs QuintessenceLabs Technology Portfolio QSE Entropy as a Service vs QSE Cloud Storage (QSE CDS)QSE Entropy as a Service vs QNu Labs Tropos (QRNG)QSE Entropy as a Service vs QNu Hodos - Post Quantum Cryptography (PQC)QSE Entropy as a Service vs Arqit SKA-Platform QSE Entropy as a Service vs Post-Quantum Quantum Safe Platform QSE Entropy as a Service vs QuintessenceLabs Product Portfolio QSE Entropy as a Service vs Quantum eMotion

QSE Entropy as a Service Alternatives FAQ

Common questions security professionals ask when evaluating alternatives and competitors to QSE Entropy as a Service.

What are the best alternatives to QSE Entropy as a Service?

The most popular alternatives to QSE Entropy as a Service include QuintessenceLabs Technology Portfolio, QSE Cloud Storage (QSE CDS), QNu Labs Tropos (QRNG), QNu Hodos - Post Quantum Cryptography (PQC), and Arqit SKA-Platform. These Quantum Security tools offer similar capabilities and are frequently compared by security professionals evaluating their options.

How many alternatives to QSE Entropy as a Service are available?

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

Is QSE Entropy as a Service free or commercial?

QSE Entropy as a Service 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 QSE Entropy as a Service?

QSE Entropy as a Service 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.

Have more questions? Browse our categories or search for specific tools.

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