Compare the Top Encryption Software for Linux as of October 2025

What is Encryption Software for Linux?

Encryption software allows companies to protect and secure data using cryptography to protect valuable files and sensitive data and enhance security. Compare and read user reviews of the best Encryption software for Linux currently available using the table below. This list is updated regularly.

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    Proton Mail

    Proton Mail

    Proton AG

    Proton Mail is the simplest way to protect your communications with built-in end-to-end encryption. Prevent data breaches, stay compliant with regulations like GDPR and HIPAA, and earn client trust. Protected by Swiss privacy laws and trusted by over 50,000 businesses, Proton Mail keeps your business data confidential and under your control. With Proton Mail and Calendar, your team can securely manage their inbox and schedule, while your organization maintains a professional presence with support for custom email domains and personalized branding. And with the Easy Switch tool, migrating from Google or Microsoft is seamless, no IT expertise required.
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    Starting Price: $6.99/user/month
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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
  • 3
    Trellix Data Encryption
    Trellix Data Encryption products secure devices and removable media to ensure that only authorized users can access the information they contain. Deploy encryption policies through a single management console, while monitoring encryption status and generating compliance reports. Choose from an extensive catalog of policy options to secure information across devices, files, and removable media - easily managed from a single location. Trellix Native Drive Encryption centralizes and simplifies management of both BitLocker and FileVault into a central console that is available on-premises or via SaaS. This saves time and resources for organizations managing multiple operating systems, since reporting and administrative tasks like encryption key and pin management are centralized.
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