Microsoft SEAL Alternatives (September 2025)

GnuPG is a free implementation of OpenPGP

PCI compliant Enigma Vault encrypts, tokenizes, and secures cards, plain text, and files. You can safely store and process card data without ever touching it.

iSecurity Field Encryption solution, part of the iSecurity suite, allows you to fully protect all sensitive data without modifying your software.

VeraCrypt is free open-source disk encryption software for Windows, Mac OS X and Linux. In case an attacker forces you to reveal the password, VeraCrypt provides plausible deniability. In contrast to file encryption, data encryption performed by VeraCrypt is real-time (on-the-fly), automatic, transparent, needs very little memory, and does not involve temporary unencrypted files.

Using PKWARE technology to establish and manage your organization's Data Privacy Operations puts you in full control.

Encrypt ANY Business or Personal Email in a few minutes. No need to switch email providers. Free encrypted email for Gmail, Yahoo, Microsoft.

Our email encryption software allows you to work without worrying about your data security. Choose Sealit and make sure your business is protected.

Easily generate license keys and validate them in your software apps. Additionally, you can offer trials, subscriptions, node-locked licenses, floating licenses, offline licenses and much more.

The Vormetric Data Security Platform makes it easy and efficient to manage data-at-rest security across your entire organization.

Safeguard cryptographic keys and other secrets used by cloud apps and services with Microsoft Azure Key Vault. Try it now.

Virtru data encryption protects data, through email and file-sharing, Cloud, SaaS, CRM solutions and across internal and external ecosystems.

Tumult Labs is the first to operationalize differential privacy. Scale safe data sharing and collaboration and protect privacy.

The Microsoft Build of OpenJDK is a new no-cost long-term supported distribution and Microsoft’s new way to collaborate and contribute to the Java ecosystem.

Connect cloud intelligence to your edge devices with Azure IoT Edge, a comprehensive service that deploys artificial intelligence and custom logic to IoT devices.

Protegrity's data protection capabilities allow businesses to de-identify data with persistent protection no matter where it travels.

MADANA offers accessible and affordable cyber security solutions to secure data and applications – no matter whether on-premise or in the cloud.

Pterodactyl is an open-source game server management panel built with PHP, React, and Go. Designed with security in mind, Pterodactyl runs all game servers in isolated Docker containers while exposing a beautiful and intuitive UI to end users.

Secure email encryption helps protect individuals, SMBs, and Enterprise organizations. Learn more about compliance & secure email encryption.

Thales provides secure data encryption and strong key management to support any enterprise cloud security strategy.

Learn about how Azure confidential computing protects data in use and learn ways to build confidential workloads in the cloud.

Standard Notes helps you gain control in a world that often feels out of control. Protect your life's work with end-to-end encryption, advanced security measures, and unmatched privacy controls.

Tuta guarantees your data stays private for free & without ads. Quantum-resistant encryption makes Tuta the best secure technology solution to protect your privacy.

FreeRTOS is an open source, real-time operating system for microcontrollers and microprocessors that makes small, low-power devices easier to program, deploy, and secure.

Mitigate risk of sensitive data exposure and retain its value with context and format preserving anonymization of Mage's Privacy Enhancing Technologies. Learn more here.

Secure your business with Seclore, the data security software that protects your digital assets wherever they go. Trusted by industry-leading enterprises.

The Beeble Project is email and online cloud storage platform with unprecedented security and privacy without third party access.

Mailfence is the only secure and private email service that gives you control. A free, interoperable encrypted email service protected by Belgian privacy law.

Discover Echoworx, the industry-leading provider of cutting-edge email encryption to safeguard your sensitive communications

Secure your communications with DataMotion's email encryption and document exchange. Seamlessly integrate with the apps you're most familiar with.

Azure Archive Storage provides a low cost means of delivering durable, highly available, secure cloud storage and data management for rarely accessed data.

PII Compliance Made Easy with PII Vault™. Safely store, anonymize, mask, mine, redact and share sensitive data with 100% data accuracy and full international data privacy compliance Try it free today!

Strengthen your cloud environment with the key features and best practices of Permissions Management

Just one click for source code encryption and obfuscation,Anti-Tamper,Unity protection,rooting detection, string encryption, etc

Secure Data Collaboration Platform platform that enables businesses to collaborate without compromising on consumer identity or information!

Encrypt Dropbox, Google Drive, and any other cloud. Cryptomator is free and open source.

Privacy1 offers complete services for data compliance and data security protection

All-in-one platform to securely manage application configuration and secrets across your team and infrastructure. Used by Fortune 500 enterprises, international governments, and fastest-growing startups. Save time and boost security.

Easy to use advanced file encryption software for your business and personal data with cloud storage, mobile encryption and password manager. Get a free trial now

An open-source universal messaging library

CryptoPhoto is an authentication security provider. It's a faster, higher-security replacement for passwords and also replaces 2FA, MFA, OTP, SMS, etc. It also addresses human-factor risks like social-engineering, phishing, malware and scams, and is NIST SP 600-63-3 AAL3 complaint (the highest possible assurance level).

Reduce risk and improve governance by masking sensitive data in nonproduction environments while providing realistic fictional data for testing purposes.

Introducing Microsoft Purview Data Governance, a comprehensive tool leveraging AI and machine learning for more effective data visibility, data management, and data governance.

SendSafely lets you easily exchange encrypted files and information with anyone on any device. Let us take the headache out of secure file exchange.

Share files securely with anyone using encrypted cloud storage. Get the highest standard of data security in the cloud.

Lit is a key management network for decentralized signing and encryption. Create apps and wallets that use secrets without single points of failure.

Google <3 Open Source

.NET is a free, cross-platform, open-source developer platform. .NET has languages, editors, and libraries to build for web, mobile, desktop, games, and IoT.

Azure Table storage provides a NoSQL key-value store for rapid development using massive semi-structured datasets. Get started today.

Authentication for currency, pharmaceuticals, fine art and identification.

Track and secure high-risk files to reduce oversharing and accelerate GenAI adoption with Qohash

Swiss based end-to-end encrypted distributed cloud with blockchain – providing the world’s most Private & Secure cloud storage & file transfer for business and personal use.

An end-to-end open source machine learning platform for everyone. Discover TensorFlow's flexible ecosystem of tools, libraries and community resources.

An open-source Self-Sovereign Identity Platform

Fortra data classification software is a multi-platform data protection solution that can help your organization protect its sensitive data wherever it lives.

OpenCV provides a real-time optimized Computer Vision library, tools, and hardware. It also supports model execution for Machine Learning (ML) and Artificial Intelligence (AI).

Protect your data, apps, and infrastructure against rapidly evolving cyberthreats with cloud security services from Microsoft Security.

Prevent unauthorized users from accessing sensitive information with Dynamic Data Masking. Get real-time data de-identificationand de-sensitization.

Azure Quantum is a Microsoft Azure service that you can use to run quantum computing programs problems in the cloud.

Free open source enterprise distributed VPN server. Virtualize your private networks across datacenters and provide simple remote access in minutes.

Send encrypted email and attachments to any email address, without requiring clients to signup for a new account. Clients can send you secure messages and files with a simple link click.

Protect your data with Azure Sphere, a turnkey IoT device security and IoT platform solution for intelligent edge devices and microcontrollers.

BTCPay Server is a self-hosted, open-source cryptocurrency payment processor. It's secure, private, censorship-resistant and free.

CloudFiler, secure and easy email filing for all devices running Microsoft Outlook

Learn how AWS Key Management Service (KMS) provides you with logs of key usage to help you meet your regulatory and compliance needs.

Hyperledger Foundation is the open source, global ecosystem for enterprise-grade blockchain technologies at the core of critical developments globally.

With Box KeySafe, you gain independent control of your encryption keys through our partnership with AWS KMS Key Management Services and AWS CloudHSM.

With Enpass, choose where your passwords and passkeys are secured and synced – on your personal or business clouds (or even offline). Not on our servers

SNMP .NET Component Download - SnmpSource offers users a comprehensive toolkit for quick development.

Discover Chainguard's hardened, vulnerability-free container images designed to keep your infrastructure secure and efficient.

Email Encryption is an essential part of Secure Cloud. With Zix, we send encrypted email automagically in the background. No extra steps are required, ever.

The Satori Data Security Platform enables faster use of data with self-service data access in a secure way.

Encrypted private vault is the easiest way to protect your files and keep them accessible. Secure all your files in a click with NordLocker.

EnterpriseDT offers secure, robust, and cost-effective secure file transfer solutions encompassing both SFTP and MFT protocols. This includes CompleteFTP and CompleteFTP Enterprise MFT products specifically tailored for Windows platform.

Build real-world Web3 applications using Azure, Web3 developer tools, and security services.

Buy SSL Certs and Secure your Website with standard encryption and trust seal. Get low-cost SSL Certificates from Trusted Certificate Authorities. 24/7 Support, Easy Refund! Cheapest SSL Certificate Provider!

Based on the leading open-source Hyperledger framework, Blockchain Service (BCS) offers an enterprise-grade blockchain platform, with high availability, scalability, built-in security, and high performance.

Hushmail - Encrypted Email & Secure Web Forms. Our healthcare plans come configured for HIPAA compliance right out of the box.

Build and scale secure software from code to cloud with speed and trust.

Identity Verification Acceptance Trinsic helps you verify users 10x faster by accepting digital IDs. Schedule demo 71,000,000 people are already verified by: Become a partner Accept millions of pre-verified users with one integration The identity landscape is fragmented between dozens of identity providers, mobile driver’s licenses, eIDs, BankIDs, and reusable ID networks. We route users

Strong authentication, without the passwords.

Mailprotector has the complete email security products your users need to cover all three comprehensive pillars: email security, encryption, and privacy.

Standardize secrets management with identity-based security from Vault that lets you centrally discover, store, access, rotate, and distribute dynamic secrets.

ApexCharts is a a free and open-source modern charting library that helps developers to create beautiful and interactive visualizations for web pages.

Protect your business and applications with secrets management. Remove hard coded secrets used by applications, scripts and other non-human identities.

MineOS is a platform empowering enterprises with continuous, automated data privacy operations. Achieve compliance faster and more efficiently, with a privacy program that fits your unique processing footprint.

The #1 Vault Alternative secures credentials, certificates and keys securely and with ease across multi-cloud environments.

As email is the preferred medium for business communications, preventing confidential information from being leaked in outbound email messages must be a top priority in order to lower the risk of a...

Learn how to use Azure StorSimple, an integrated storage solution that manages storage tasks between on-premises devices and Azure cloud storage.

Learn about Microsoft Entra ID (formerly Azure Active Directory) a cloud identity and access management solution that safeguards your data.

DexGuard is a leader in Android app security with advanced code hardening (obfuscation and encryption) and runtime application self-protection. Learn more.

Get started with Microsoft SQL Server downloads. Choose a SQL Server trial, edition, tool, or connector that best meets your data and workload needs.

Build machine learning models in a simplified way with machine learning platforms from Azure. Machine learning as a service increases accessibility and efficiency.

Software supply chain security that doesn’t make you choose between developer productivity and fixing risks.

DashO is PreEmptive’s innovative approach to Java security and app hardening for Android applications. Learn more about this robust security tool.

Barracuda Networks is the worldwide leader in Security, Application Delivery and Data Protection Solutions.

Azure Synapse Analytics is a limitless analytics service that brings together enterprise SQL data warehousing and big data analytics services.

Embrace a new era of security with Zscaler Zero Trust Exchange - the leading AI platform designed to revolutionize network and firewall-centric architectures.

Build, debug, deploy, and manage cloud applications—using any platform or language—with Azure development tools, including Visual Studio.

ContractZen Governance Suite offers advanced contract management, board portal, entity management, e-signatures, and virtual data rooms (VDR).