Compare the Top Free Encryption Software as of January 2026

What is Free Encryption Software?

Encryption software protects sensitive data by converting it into unreadable code that can only be accessed with the correct decryption key. It secures files, communications, applications, and entire systems from unauthorized access, cyberattacks, and data breaches. These tools use algorithms like AES, RSA, and elliptic-curve cryptography to safeguard data at rest, in transit, or in use. Many encryption platforms offer key management, user authentication, and compliance features to meet industry regulations and enterprise security requirements. Overall, encryption software is essential for maintaining privacy, ensuring data integrity, and protecting information across digital environments. Compare and read user reviews of the best Free Encryption software currently available using the table below. This list is updated regularly.

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    QuantaStor

    QuantaStor

    OSNexus

    QuantaStor is a unified Software-Defined Storage platform designed to scale up and out to make storage management easy while reducing overall enterprise storage costs. With support for all major file, block, and object protocols including iSCSI/FC, NFS/SMB, and S3, QuantaStor storage grids may be configured to address the needs of complex workflows which span sites and datacenters. QuantaStor’s storage grid technology is a built-in federated management system which enables QuantaStor servers to be combined together to simplify management and automation via CLI and REST APIs. The layered architecture of QuantaStor provides solution engineers with unprecedented flexibility and application design options that maximizes workload performance and fault-tolerance for a wide range of storage workloads. QuantaStor includes end-to-end security coverage enabling multi-layer data protection “on the wire” and “at rest” for enterprise and cloud storage deployments.
    Starting Price: $/TB based on scale
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  • 2
    RMail

    RMail

    RPost

    RMail® is the e-security platform by RPost®, a global leader since 2000. RMail specializes in elegantly easy to use email encryption for privacy and compliance, e-signatures, legal e-delivery proof, secure file sharing, email impostor protection, document rights management, and AI-infused services to prevent data leaks and human e-security errors. RMail’s transmission e-security services are most often used by businesspeople or business systems that send important, sensitive, or consumer-regulated information. These RMail services are generally applied to those messages where the sender needs functionality beyond standard email in terms of (a) easier to use and more automated email encryption for privacy compliance, (b) returning a verifiable proof record of who said what to whom by email, (c) assurance and peace of mind related to delivery and open status of important and time-deadline email, (d) need a timestamped proof of content delivered, (f) need to share large files securely.
    Starting Price: $7/month/user
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    Akeyless Identity Security Platform
    Akeyless delivers identity security for an era shaped by automation and AI. The cloud-native platform secures machines, AI agents, and human access across hybrid, multi-cloud, and on-prem environments. It provides a practical path to secretless, identity-based access through secrets management, certificate lifecycle management and PKI, PAM, and unified governance. Akeyless is built on a cryptography foundation that combines encryption, key management, and Distributed Fragments Cryptography to keep sensitive material under customer control and protected from post-quantum threats. With integrations for cloud IAM, Kubernetes, CI/CD, and MCP-based AI agent workflows, teams can adopt and scale AI agents securely without expanding risk. Akeyless Jarvis™ delivers identity intelligence to surface risky access and strengthen oversight.
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