Best EigenQ PQC+™ Alternatives & Competitors in 2026

PQShield Quantum-safe Software & Hardware

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

QuSecure QuProtect R3

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

HyperSphere Technologies

Quantum-resilient cyberstorage with keyless encryption & auto data restoration.

SECQAI TPM

Post-quantum TPM hardware for server, edge, and custom PCB deployments.

SylLab Systems

Post-quantum security platform for space, IoT, edge, and critical systems.

Fortaegis Silicon Platform

Silicon-level secure compute platform with quantum-resistant, zero-trust architecture.

Myota

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

CypherShield

Software platform providing quantum-resistant encryption, key exchange, and auth.

QCS PQC Transition Services

Consulting and tooling for assessing and migrating organizations

ResQuant

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

Quantanaut

Cryptographic intelligence platform for mapping hidden encryption & PQC risks.

ZeroTier Quantum

Post-quantum secure network overlay platform for distributed environments.

QCS Post-Quantum Secure Backup (.qtm)

Post-quantum file archive format (.qtm) using Kyber/Dilithium for verifiable, offline

Certes DPRM

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

BlockAPT Quantum

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

Sitehop SAFE Series

Hardware-based network encryption system for securing data in motion

Arqit NetworkSecure

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

Arqit SKA-Platform

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

ISARA Advance

Agentless crypto inventory & risk assessment tool for PQC readiness.

ISARA Radiate Quantum-Safe Toolkit

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

Post-Quantum Quantum Safe Platform

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

SCANOSS Encryption Dataset

Identifies cryptographic algorithms and libraries in code for compliance

QNu Hodos - Post Quantum Cryptography (PQC)

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

Venari Adaptive Cryptographic Intelligence Platform

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

TYCHON Quantum Readiness Automated Cryptography Discovery & Inventory (ACDI)

Automated cryptography discovery and inventory tool for PQC compliance

VaultysID-Q

Post-quantum cryptographic authentication solution with passwordless access

CyberRidge Photonic Layer Security

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

Arqit Encryption Intelligence

Crypto risk assessment & PQC migration planning platform for enterprises.

Guardtime KSI Blockchain

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

KvantPhone

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

MerlinCryption ASBE

Nondeterministic block encryption algo resistant to quantum & AI attacks.

ISG Federal

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

Redjack

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

SandboxAQ

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

NQX™ Quantum-Safe Encryption

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

CypheronLabs Cypheron-core

Post-quantum cryptography library with NIST-standardized algorithms

OpenFHE

OpenFHE is an open-source library implementing post-quantum Fully Homomorphic Encryption schemes with simplified APIs and cross-platform support.

IBM Z Crypto Discovery & Inventory

Cryptographic asset discovery and inventory tool for IBM Z mainframes

QSE QPA: Quantum Preparedness Assessment

Assessment tool evaluating quantum computing threat readiness

QTrino Labs PQC Transition Platform

PQC transition platform for quantum-safe cryptographic migration