Proton Mail offers secure, private email based in Switzerland, protected by strong Swiss privacy laws. Your privacy is the default.

Key benefits:

• End-to-end & zero-access encryption: Only you can read your emails. Not even Proton can access your content.
• Tracker protection: Blocks email trackers, preventing monitoring of your online activity.
• Ad-free & community-funded: Supported by paid subscriptions, not ads or data selling.
• Open source & independently audited: Ensures transparency and security.

Features include PhishGuard to block phishing, password-protected emails for sending sensitive info (even to non-users), and hide-my-email aliases to shield your main address. Easily migrate your existing emails, contacts, and calendars. Join over 100 million users who trust Proton Mail for private communications on web, desktop, Android, and iOS. Protect your conversations and data effectively.

Service Mail by Infomaniak delivers professional email hosting with Swiss privacy standards and advanced security features. With over 25 years of experience managing 3+ million email addresses, this ethical messaging service prioritizes data protection and user privacy.

Key Features:

• One-click email encryption using ECC and OpenPGP standards
• AI-powered email assistance for writing, grammar correction, and translation
• Unlimited email storage with professional domain addresses
• Swiss data sovereignty with servers exclusively in Switzerland
• Advanced security including anti-virus, spam protection, and SPF/DKIM/DMARC filters

The service includes integrated calendar and contacts management, mobile synchronization, and file sharing up to 3GB. Professional features include SSO integration, custom branding options, and dedicated admin interfaces for team management.

Migration support is provided free of charge, with automated tools to transfer emails, contacts, and calendars from existing providers. The platform offers 24/7 Swiss support and complies with GDPR and Swiss data protection laws.

Available as standalone email service or as part of kSuite packages with additional collaboration tools including kDrive cloud storage and kMeet video conferencing.

Privacy-first email service built on German data protection standards, offering secure communication without ads or tracking. Based in Germany with servers operating under strict GDPR compliance, ensuring your sensitive data never leaves the country.

Complete digital workspace includes encrypted email, cloud storage, online office suite with documents and spreadsheets, plus secure video conferencing through OpenTalk. All tools integrate seamlessly for both personal and business use.

Flexible pricing for everyone - from €1/month for basic email to €9/month for premium features. Key benefits include:

• 25GB-50GB storage depending on plan
• Custom domain support with up to 250 aliases
• Easy migration service transfers your existing emails and contacts
• Anonymous usage options for maximum privacy
• 100% green energy powered infrastructure
• 30-day free trial to test all features

Perfect for individuals seeking ad-free email, families needing shared storage, businesses requiring professional communication tools, or educational institutions demanding GDPR compliance. The service prioritizes user privacy over advertiser interests, making it ideal for those who value digital sovereignty and secure communication.

This email service provides free, private, and secure communication through end-to-end encrypted email, further enhanced by pioneering quantum-safe cryptography. Your entire digital correspondence, including emails, calendars, and contacts, is meticulously protected, ensuring your personal and business data remains confidential and shielded from unauthorized access. Experience a zero-tracking environment and a clean, intuitive interface designed for an efficient workflow, accessible across all your devices via dedicated apps for Android, iOS, Windows, macOS, and Linux.

Key benefits include:

• Robust login security featuring two-factor authentication.
• Integrated defenses against spam, phishing attempts, and invasive tracking.
• Fully open-source clients, promoting transparency and community trust.
• Comprehensive support for custom email domains and multi-user accounts.
• Anonymous account creation without the need for a phone number.

Operating from Germany and strictly adhering to GDPR, the platform is completely ad-free and founded on privacy-by-design principles. It offers an ethical alternative, empowering you to reclaim your digital privacy.

Mailfence offers a comprehensive secure email solution that prioritizes your privacy above all else. Based in Belgium and protected by strong European privacy laws, this service ensures your communications remain truly private.

Key Privacy Features:

• No tracking or ads - completely free from surveillance and data mining
• Browser-based encryption using OpenPGP standards that even Mailfence cannot decrypt
• Belgian legal protection requiring court orders for any data requests
• Digital signatures to verify sender authenticity

Integrated Suite of Tools:

• Secure email with IMAP, POP, SMTP support and mobile apps
• Private calendar for appointments and scheduling
• Document storage with online editing capabilities
• Contact management with secure group sharing

Flexible Plans: Starting with a free 1GB plan, users can upgrade to paid tiers offering up to 225GB storage, custom domains, priority support, and advanced business features.

True Interoperability: Works seamlessly with any OpenPGP-compatible service, giving you freedom to communicate securely with anyone while maintaining full control over your encryption keys.

Founded in 1999, Mailfence combines decades of experience with modern security standards, making privacy accessible without compromising usability.

Soverin is a privacy-focused email hosting service that treats your mailbox like a digital fortress. Unlike free email providers that monetize your personal data, Soverin operates on a simple principle: you pay with money, not your data.

Key Features:

• Complete Privacy: No tracking, spying, or advertising - your emails remain truly private
• European Hosting: All servers located within Europe with strict data protection standards
• Custom Domains: Use your own domain or register a new one through their service
• Unlimited Aliases: Create as many email aliases as needed at no extra cost
• 25GB Storage: Generous storage space for all your email needs
• Calendar & Contact Sync: Full productivity suite with calendar and contact management
• Strong Security: Features 2FA, encrypted connections, DKIM, SPF, DMARC, and DANE support

ISO Certified Security: Soverin maintains ISO 27001, ISO 14001, and ISO 9001 certifications, ensuring enterprise-grade security and quality standards. They're also NIS2 ready for EU cybersecurity compliance.

Transparent Pricing: Starting at €3.25 per month (billed annually), with a 30-day money-back guarantee. Additional mailboxes cost only €10 per year.

No Lock-in Policy: Your domain and emails are truly yours - easily export your data and move elsewhere if needed. Soverin believes in freedom over "free" services that compromise your privacy.

Posteo is a Berlin-based email provider that prioritizes sustainability, security, and privacy above all else. Since 2009, this innovative service has been setting new standards for ethical email communication.

Key Features:

• 2GB email storage with upgrade options for just €1 per month
• Complete anonymity - no personal data collection during signup or usage
• 100% green energy powered by Green Planet Energy
• Comprehensive encryption for emails, calendars, and address books at the touch of a button
• Two-factor authentication for enhanced security
• Ad-free experience with no tracking or user profiling

What Makes Posteo Special: The service offers integrated calendar and address book functionality with CardDAV and CalDAV synchronization across all devices. Their crypto mail storage encrypts your entire mailbox automatically, while PGP integration in webmail makes secure communication accessible to everyone.

Sustainability Focus: Posteo operates with zero business flights, maintains an organic vegetarian canteen, and uses appropriately sized servers for resource conservation. They finance through ethical banks and actively support public transportation for employees.

Privacy Guarantee: No connection between payment data and accounts, no IP address logging, and servers located in highly secured German data centers. Their free migration service transfers existing mailboxes via encrypted connections without third-party involvement.

Kolab Now offers a comprehensive and secure groupware solution, meticulously engineered and hosted in Switzerland to ensure your data privacy. This open-source platform provides a full suite of essential tools for individuals and teams, including:

• Secure Email: Robust email hosting with strong encryption and privacy features.
• Integrated Calendar: Manage your schedule, share calendars, and coordinate events seamlessly.
• Contacts Management: Keep your address book organized and accessible across devices.
• Task Lists: Stay on top of your to-dos with integrated task management.
• File Storage: Securely store and share your files within the Kolab Now environment.

Built on open standards, Kolab Now ensures interoperability and allows you to access your data using your preferred clients. It's an ideal choice for those who value data sovereignty, security, and a complete set of tools for effective collaboration and personal organization. Focus on privacy is paramount, making it a trustworthy alternative to mainstream cloud services.

mosa.cloud delivers a complete digital workspace solution that prioritizes data sovereignty and organizational control. Built on open source foundations trusted by 200,000+ French government users, this European platform offers everything teams need without compromise.

Core Features:

• Collaborative Docs with real-time editing, version history, and AI assistance
• Secure Drive storage with Collabora integration for in-browser document editing
• HD Video Meetings with automatic transcripts and action items
• Team-focused Mail with shared inboxes and AI-powered organization
• Integrated Chat via Matrix server and Element client
• Grist Spreadsheets for collaborative data management

Key Advantages:

• 100% EU-hosted with data sovereignty guarantees
• Pay-per-usage pricing instead of per-seat licensing
• Open source foundation prevents vendor lock-in
• AI assistance that respects privacy - no training on your data
• Single sign-on across all applications with external collaboration support
• Enterprise security with MFA, audit trails, and NIS2 compliance

The platform integrates seamlessly with existing identity providers while enabling secure collaboration with external partners. Built by a true European service provider, mosa.cloud combines the best open source productivity tools into a fully managed workspace solution.