Best Post-Quantum Cryptography (PQC) Software for Windows of 2025

The CLEAR™ Cryptosystem is a FIPS-140-3 validated encryption SDK designed to secure files, streaming media, databases, and network communications with cutting-edge, programmable encryption technology. Fully compatible with all modern computing platforms, CLEAR™ provides a simple, turnkey solution for integrating advanced encryption into existing security systems. With Post-Quantum Cryptography (PQC) capabilities, it delivers future-proof protection against emerging cybersecurity threats, ensuring your data is secured with the strongest available encryption methods. Key Features: • PQC Encryption Strength ( 512bit - 10,240bit) • Ultra Low-Latency Streaming (< 11µs / Packet) • Hyperkey™ Technology with embedded ACL • Multi-Factor / Bio-Metric Symmetric Keys • Plug-N-Play Entropy - CSRNG, QRNG, HRNG Benefits: • Pass cybersecurity audits with best-in-class tools • Share data securely via Sharepoint, Dropbox, etc. • Protect legacy gear and outdated network equipment • Extend protection to files in 3rd party portals • Future lasting power - long-term data archival

PryvateNow serves as an all-encompassing communication platform that ensures the encryption and protection of voice and video calls, instant messages, emails, and conference calls, whether conducted on or off a network. Designed for small to large businesses, it enables organizations to maintain complete oversight of their communications and data security. Among its standout features are Post-Quantum ZRTP encryption, which guarantees top-tier data protection, as well as integrated auditing and compliance that meet the standards of MiFID II, HIPAA, and GDPR. Additionally, it offers white-labeled OEM versions of Pryvate Closed User Groups (CUG) for customized user experiences. The platform also includes a Secure Integration Kit for VoIP, facilitating the smooth incorporation of Pryvate's secure communication tools into existing systems. Moreover, PryvateNow's technology encompasses not only encrypted voice and video calls but also secure options for email, file transfer, storage, and hosting voice and video conferences with utmost security. This holistic approach ensures that users can communicate confidently and securely across various channels.

AVX ONE stands out as a cutting-edge SaaS platform for managing the lifecycle of certificates within enterprise environments, specifically catering to PKI, IAM, security, DevOps, cloud, and application development teams. By offering enhanced visibility, automation, and control over certificates and keys, AVX ONE fosters crypto-agility, allowing organizations to swiftly adapt to cryptographic shifts, counteract potential threats, avert service interruptions, and gear up for the era of Post-Quantum Cryptography. Through a single, cohesive platform, AppViewX delivers immediate benefits with comprehensive CLM across enterprises, facilitating automation for Kubernetes and container TLS, providing scalable PKI-as-a-Service, simplifying the modernization of Microsoft PKI, ensuring secure code signing, bolstering IoT identity security, managing SSH, and preparing for Post-Quantum Cryptography (PQC) while leveraging AI and ML capabilities to mitigate risks in intricate hybrid, multi-cloud, and edge scenarios. Furthermore, the integration of these features allows organizations to maintain a robust security posture while seamlessly navigating the complexities of modern technological landscapes.

EJBCA, an Enterprise-grade PKI platform, can issue and manage digital certificates in the millions. It is one of the most widely used PKI platforms worldwide and is used by large enterprises in all sectors.