PQCDirectory

Featured

Cloudflare PQ

Cloudflare's post-quantum TLS deployment — hybrid X25519+ML-KEM key exchange in production across their global network.

Cloudflare PQ — Cloudflare's post-quantum TLS deployment — hybrid X25519+ML-KEM key exchange in production across their global network. Built primarily for teams and organizations evaluating solutions in this market, the platform addresses common pain points in the enterprise pqc segment with a focused feature set. Buyers researching enterprise pqc options will find Cloudflare PQ a relevant candidate to include in their evaluation, particularly when comparing capabilities, pricing models, and integration depth against competing platforms in the same category.

Enterprise Pqc cloudflare tls production hybrid

Featured

PQC Healthcare

Post-quantum cryptography solutions for healthcare organizations — HIPAA-aligned PQC migration guidance and tooling.

PQC Healthcare — Post-quantum cryptography solutions for healthcare organizations — HIPAA-aligned PQC migration guidance and tooling. Built primarily for teams and organizations evaluating solutions in this market, the platform addresses common pain points in the enterprise pqc segment with a focused feature set. Buyers researching enterprise pqc options will find PQC Healthcare a relevant candidate to include in their evaluation, particularly when comparing capabilities, pricing models, and integration depth against competing platforms in the same category.

Enterprise Pqc healthcare pqc sagentica compliance

Google Tink

Google's cryptography library with PQC support — designed to prevent common cryptographic misuse with a safe API.

Google Tink — Google's cryptography library with PQC support — designed to prevent common cryptographic misuse with a safe API. Built primarily for teams and organizations evaluating solutions in this market, the platform addresses common pain points in the pqc libraries segment with a focused feature set. Buyers researching pqc libraries options will find Google Tink a relevant candidate to include in their evaluation, particularly when comparing capabilities, pricing models, and integration depth against competing platforms in the same category.

Pqc Libraries ⭐ 13,542 stars crypto-library google easy-to-use multi-language

AWS s2n-tls

AWS's open-source TLS implementation with hybrid post-quantum key exchange — production-ready PQC in TLS.

AWS s2n-tls — AWS's open-source TLS implementation with hybrid post-quantum key exchange — production-ready PQC in TLS. Built primarily for teams and organizations evaluating solutions in this market, the platform addresses common pain points in the pqc libraries segment with a focused feature set. Buyers researching pqc libraries options will find AWS s2n-tls a relevant candidate to include in their evaluation, particularly when comparing capabilities, pricing models, and integration depth against competing platforms in the same category.

Pqc Libraries ⭐ 4,727 stars tls aws open-source hybrid-pqc

Open Quantum Safe / liboqs

Open-source C library for post-quantum cryptographic algorithms — reference implementations of NIST candidates.

Open Quantum Safe / liboqs — Open-source C library for post-quantum cryptographic algorithms — reference implementations of NIST candidates. Built primarily for teams and organizations evaluating solutions in this market, the platform addresses common pain points in the pqc libraries segment with a focused feature set. Buyers researching pqc libraries options will find Open Quantum Safe / liboqs a relevant candidate to include in their evaluation, particularly when comparing capabilities, pricing models, and integration depth against competing platforms in the same category.

Pqc Libraries ⭐ 2,951 stars open-source c-library all-algorithms research

wolfSSL

Lightweight SSL/TLS library for embedded systems with PQC support — ideal for IoT and constrained-resource devices.

wolfSSL — Lightweight SSL/TLS library for embedded systems with PQC support — ideal for IoT and constrained-resource devices. Built primarily for teams and organizations evaluating solutions in this market, the platform addresses common pain points in the pqc libraries segment with a focused feature set. Buyers researching pqc libraries options will find wolfSSL a relevant candidate to include in their evaluation, particularly when comparing capabilities, pricing models, and integration depth against competing platforms in the same category.

Pqc Libraries ⭐ 2,841 stars embedded iot c-library tls

Bouncy Castle

Java and C# cryptography library with comprehensive PQC algorithm support — widely used in JVM ecosystem.

Bouncy Castle — Java and C# cryptography library with comprehensive PQC algorithm support — widely used in JVM ecosystem. Built primarily for teams and organizations evaluating solutions in this market, the platform addresses common pain points in the pqc libraries segment with a focused feature set. Buyers researching pqc libraries options will find Bouncy Castle a relevant candidate to include in their evaluation, particularly when comparing capabilities, pricing models, and integration depth against competing platforms in the same category.

Pqc Libraries ⭐ 2,650 stars java open-source pqc crypto-library

PQClean

Clean, portable, tested implementations of PQC algorithms — focus on auditable, dependency-free code.

PQClean — Clean, portable, tested implementations of PQC algorithms — focus on auditable, dependency-free code. Built primarily for teams and organizations evaluating solutions in this market, the platform addresses common pain points in the pqc libraries segment with a focused feature set. Buyers researching pqc libraries options will find PQClean a relevant candidate to include in their evaluation, particularly when comparing capabilities, pricing models, and integration depth against competing platforms in the same category.

Pqc Libraries ⭐ 925 stars open-source clean-implementations c audited

CRYSTALS-Dilithium (ML-DSA)

NIST-standardized digital signature algorithm based on lattice cryptography — the primary PQC signature standard (FIPS 204).

CRYSTALS-Dilithium (ML-DSA) — NIST-standardized digital signature algorithm based on lattice cryptography — the primary PQC signature standard (FIPS 204). Built primarily for teams and organizations evaluating solutions in this market, the platform addresses common pain points in the pqc standards segment with a focused feature set. Buyers researching pqc standards options will find CRYSTALS-Dilithium (ML-DSA) a relevant candidate to include in their evaluation, particularly when comparing capabilities, pricing models, and integration depth against competing platforms in the same category.

Pqc Standards signature nist-standard lattice digital-signature

CRYSTALS-Kyber (ML-KEM)

NIST-standardized key encapsulation mechanism based on lattice cryptography — the primary PQC KEM standard (FIPS 203).

CRYSTALS-Kyber (ML-KEM) — NIST-standardized key encapsulation mechanism based on lattice cryptography — the primary PQC KEM standard (FIPS 203). Built primarily for teams and organizations evaluating solutions in this market, the platform addresses common pain points in the pqc standards segment with a focused feature set. Buyers researching pqc standards options will find CRYSTALS-Kyber (ML-KEM) a relevant candidate to include in their evaluation, particularly when comparing capabilities, pricing models, and integration depth against competing platforms in the same category.

Pqc Standards kem nist-standard lattice key-encapsulation

DigiCert PQ

DigiCert's post-quantum certificate and PKI services — hybrid PQC certificates for enterprise web and code signing.

DigiCert PQ — DigiCert's post-quantum certificate and PKI services — hybrid PQC certificates for enterprise web and code signing. Built primarily for teams and organizations evaluating solutions in this market, the platform addresses common pain points in the enterprise pqc segment with a focused feature set. Buyers researching enterprise pqc options will find DigiCert PQ a relevant candidate to include in their evaluation, particularly when comparing capabilities, pricing models, and integration depth against competing platforms in the same category.

Enterprise Pqc pki certificates enterprise hybrid

Entrust PQ

Entrust's post-quantum PKI and certificate management — PQC-ready certificate issuance and crypto-agility tooling.

Entrust PQ — Entrust's post-quantum PKI and certificate management — PQC-ready certificate issuance and crypto-agility tooling. Built primarily for teams and organizations evaluating solutions in this market, the platform addresses common pain points in the enterprise pqc segment with a focused feature set. Buyers researching enterprise pqc options will find Entrust PQ a relevant candidate to include in their evaluation, particularly when comparing capabilities, pricing models, and integration depth against competing platforms in the same category.

Enterprise Pqc pki certificates enterprise migration

evolutionQ

Quantum risk quantification and PQC migration platform — prioritize your cryptographic assets for migration.

evolutionQ — Quantum risk quantification and PQC migration platform — prioritize your cryptographic assets for migration. Built primarily for teams and organizations evaluating solutions in this market, the platform addresses common pain points in the enterprise pqc segment with a focused feature set. Buyers researching enterprise pqc options will find evolutionQ a relevant candidate to include in their evaluation, particularly when comparing capabilities, pricing models, and integration depth against competing platforms in the same category.

Enterprise Pqc risk-assessment migration enterprise saas

FALCON (FN-DSA)

NIST-standardized fast lattice-based digital signature scheme — smaller signatures than Dilithium (FIPS 206).

FALCON (FN-DSA) — NIST-standardized fast lattice-based digital signature scheme — smaller signatures than Dilithium (FIPS 206). Built primarily for teams and organizations evaluating solutions in this market, the platform addresses common pain points in the pqc standards segment with a focused feature set. Buyers researching pqc standards options will find FALCON (FN-DSA) a relevant candidate to include in their evaluation, particularly when comparing capabilities, pricing models, and integration depth against competing platforms in the same category.

Pqc Standards signature nist-standard lattice ntru

IBM Quantum Safe

IBM's post-quantum safety suite — cryptographic inventory, risk assessment, and PQC migration tooling for enterprises.

IBM Quantum Safe — IBM's post-quantum safety suite — cryptographic inventory, risk assessment, and PQC migration tooling for enterprises. Built primarily for teams and organizations evaluating solutions in this market, the platform addresses common pain points in the enterprise pqc segment with a focused feature set. Buyers researching enterprise pqc options will find IBM Quantum Safe a relevant candidate to include in their evaluation, particularly when comparing capabilities, pricing models, and integration depth against competing platforms in the same category.

Enterprise Pqc ibm enterprise migration crypto-discovery

ISARA

Post-quantum cryptography migration toolkit for enterprises — hybrid certificates, crypto-agility, and transition planning.

ISARA — Post-quantum cryptography migration toolkit for enterprises — hybrid certificates, crypto-agility, and transition planning. Built primarily for teams and organizations evaluating solutions in this market, the platform addresses common pain points in the enterprise pqc segment with a focused feature set. Buyers researching enterprise pqc options will find ISARA a relevant candidate to include in their evaluation, particularly when comparing capabilities, pricing models, and integration depth against competing platforms in the same category.

Enterprise Pqc migration enterprise toolkit hybrid

PQShield

PQC hardware IP for chip designers — silicon-proven PQC implementations for semiconductor and IoT applications.

PQShield — PQC hardware IP for chip designers — silicon-proven PQC implementations for semiconductor and IoT applications. Built primarily for teams and organizations evaluating solutions in this market, the platform addresses common pain points in the hardware security segment with a focused feature set. Buyers researching hardware security options will find PQShield a relevant candidate to include in their evaluation, particularly when comparing capabilities, pricing models, and integration depth against competing platforms in the same category.

Hardware Security hardware-ip chips semiconductor pqc

Sandbox AQ

Sandbox AQ's post-quantum security suite — cryptographic inventory, risk scoring, and PQC migration automation.

Sandbox AQ — Sandbox AQ's post-quantum security suite — cryptographic inventory, risk scoring, and PQC migration automation. Built primarily for teams and organizations evaluating solutions in this market, the platform addresses common pain points in the enterprise pqc segment with a focused feature set. Buyers researching enterprise pqc options will find Sandbox AQ a relevant candidate to include in their evaluation, particularly when comparing capabilities, pricing models, and integration depth against competing platforms in the same category.

Enterprise Pqc enterprise discovery migration aqn

SPHINCS+ (SLH-DSA)

NIST-standardized stateless hash-based signature scheme — conservative security assumption, no lattice math (FIPS 205).

SPHINCS+ (SLH-DSA) — NIST-standardized stateless hash-based signature scheme — conservative security assumption, no lattice math (FIPS 205). Built primarily for teams and organizations evaluating solutions in this market, the platform addresses common pain points in the pqc standards segment with a focused feature set. Buyers researching pqc standards options will find SPHINCS+ (SLH-DSA) a relevant candidate to include in their evaluation, particularly when comparing capabilities, pricing models, and integration depth against competing platforms in the same category.

Pqc Standards signature nist-standard hash-based stateless

Thales Luna PQ

Thales Luna HSMs with PQC algorithm support — hardware-based post-quantum key generation and management.

Thales Luna PQ — Thales Luna HSMs with PQC algorithm support — hardware-based post-quantum key generation and management. Built primarily for teams and organizations evaluating solutions in this market, the platform addresses common pain points in the hardware security segment with a focused feature set. Buyers researching hardware security options will find Thales Luna PQ a relevant candidate to include in their evaluation, particularly when comparing capabilities, pricing models, and integration depth against competing platforms in the same category.

Hardware Security hsm hardware enterprise key-management

Frequently Asked Questions

What is the best post-quantum cryptography tools directory?

PQCDirectory is a curated directory of post-quantum cryptography tools tools and platforms, reviewed and ranked by niche specialists. It covers the leading vendors, open-source options, and emerging players in the space.

Where can I find a comprehensive list of NIST PQC standards tools?

PQCDirectory maintains an up-to-date listing of NIST PQC standards platforms with editorial descriptions, category filters, and direct links to each vendor. New tools are added regularly as the market evolves.

How do I choose the right post-quantum cryptography tools, standards, and providers solution for my business?

Start by filtering PQCDirectory by your use case and company size. Each listing includes a plain-language description of who the tool is best suited for, so you can quickly narrow your shortlist without reading through marketing pages.

Are the listings on PQCDirectory free to access?

Yes — PQCDirectory is a free resource. Every listing is publicly accessible with no account required. Vendors can apply for a featured listing to increase their visibility on the platform.

How often is PQCDirectory updated?

PQCDirectory is updated regularly as new tools enter the market and existing platforms evolve. The directory uses automated enrichment for open-source projects and manual editorial review for hosted and enterprise platforms.

Can I advertise on PQCDirectory?

Yes — PQCDirectory accepts display and video advertising through the AdServerAI network. Advertisers can target visitors by category and keyword. Apply at adserverai.com.