Onion Mail AlternativesWebMail Providers & Email Clients like Onion Mail

Onion Mail is described as 'The power of simplicity. Onion Mail can manage emails in the normal network and in the Tor. Onion Mail protect your privacy and anonymity' and is a webmail provider in the office & productivity category. There are more than 25 alternatives to Onion Mail for a variety of platforms, including Web-based, Android, iPhone, iPad and Linux apps. The best Onion Mail alternative is Proton Mail, which is both free and Open Source. Other great apps like Onion Mail are Tuta Mail, Disroot, Outlook.com and Zoho Mail.

filter to find the best alternatives

Onion Mail alternatives are mainly WebMail Providers but may also be Email Clients or Calendar Apps.  Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Onion Mail.
Onion Mail iconOnion Mail
  3
  • ...

The power of simplicity. Onion Mail can manage emails in the normal network and in the Tor. Onion Mail protect your privacy and anonymity.

More about Onion Mail
More about Onion Mail
Onion Mail alternatives page was last updated Jul 24, 2024
  Suggest Alternatives
    Mailfence icon
    Mailfence icon

    Mailfence

    Sponsored

    Mailfence is a secure and private email service that fights for online privacy and digital freedom.

    68 Mailfence alternatives
    Mailfence screenshot 1

    License model

    • Freemium • Proprietary

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Mailfence screenshot 1
    Mailfence screenshot 2
    +2
    Mailfence screenshot 3
  1. Proton Mail icon
    Proton Mail icon

    Proton Mail

     910 likes
    Copy a direct link to this comment to your clipboard

    Proton Mail provides secure email services with end-to-end encryption, ensuring data protection. Swiss-based and outside US jurisdiction, it offers a free version to champion privacy as a human right. Fully accessible on any device.

    97 Proton Mail alternatives
    Proton Mail screenshot 1

    License model

    • Freemium • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Tor
    Proton Mail screenshot 1
    Proton Mail screenshot 2
    +6
    Proton Mail screenshot 3

    Properties

    1.  Privacy focused

    Features

    1.  End-to-End Encryption
    2.  Encrypted Email
    3.  Ad-free
    4.  Two-factor Authentication
    5.  Mobile friendly
    6.  No Tracking
    7.  Dark Mode
    8.  Custom Domain
    9.  PGP Encryption
    10.  Anonymous Email
    11.  Filters
    12.  Self Destructing Messages
    Proton Mail iconOnion Mail Icon

    Proton Mail VS Onion Mail

    Is Proton Mail a good alternative to Onion Mail?
     

    • Proton Mail is the most popular Web-based, Windows, Android & Mac alternative to Onion Mail.

    • Proton Mail is the most popular Open Source & free alternative to Onion Mail.

    • Proton Mail is Freemium and Open SourceOnion Mail is also Freemium and Open Source
    • Proton Mail is Privacy focusedOnion Mail is not according to our users
  3. Tuta Mail icon
    Tuta Mail icon

    Tuta Mail

     467 likes
    Copy a direct link to this comment to your clipboard

    Offers comprehensive encryption for email, calendar, and contacts with zero personal info required. Built on open source, install via Play Store, F-Droid, or APK, with Tor and VPN support. Both free and paid plans; utilizes quantum-resistant encryption ensuring privacy-focused, anonymous usage.

    95 Tuta Mail alternatives
    Mail View

    License model

    • Freemium • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Self-Hosted
    • Flathub
    • F-Droid
    Calendar View
    Contacts View
    +6
    Search feature

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Encrypted Email
    2.  End-to-End Encryption
    3.  Dark Mode
    4.  Custom Domain
    5.  Encrypted calendar
    6.  Contacts
    7.  No Tracking
    8.  Integrated File Sharing
    9.  Multiple Account support
    10.  Spam Filter
    11.  Ad-free
    12.  Email Organizer
    Tuta Mail iconOnion Mail Icon

    Tuta Mail VS Onion Mail

    Is Tuta Mail a good alternative to Onion Mail?
     

    • Tuta Mail is the most popular Self-Hosted alternative to Onion Mail.

    • Tuta Mail is Freemium and Open SourceOnion Mail is also Freemium and Open Source
    • Tuta Mail is Privacy focused and LightweightOnion Mail is not according to our users
  4. Ad
    Screenshot
    Mailfence icon

    Mailfence

    Mailfence is a secure and private email service that fights for online privacy and digital freedom.

    https://mailfence.com
    Learn More
  5. Disroot icon
    Disroot icon

    Disroot

     104 likes
    Copy a direct link to this comment to your clipboard

    Disroot is a platform providing online services based on principles of freedom, privacy, federation and decentralization.

    39 Disroot alternatives
    Disroot screenshot 1

    License model

    • Free • Open Source

    Application type

    Platforms

    • Online
    • F-Droid
    Rainloop, with the AlternativeTo email confirmation open

    Properties

    1.  Privacy focused

    Features

    1.  Encrypted Email
    2.  Ad-free
    3.  Can be used outside browser
    4.  Decentralized
    5.  IMAP Support
    6.  End-to-End Encryption
    7.  Support for Aliases
    8.  No Tracking
    9.  European data privacy
    10.  SMTP Support
    11.  Support for SFTP
    12. Nextcloud icon  Nextcloud integration
    Disroot iconOnion Mail Icon

    Disroot VS Onion Mail

    Is Disroot a good alternative to Onion Mail?
     
  6. Outlook.com icon
    Outlook.com icon

    Outlook.com

     397 likes
    Copy a direct link to this comment to your clipboard

    Outlook.com, part of Office Online (not to be confused with Microsoft Outlook ), is a webmail service from Microsoft, successor of Hotmail.

    70 Outlook.com alternatives
    Outlook.com screenshot 1

    License model

    • Freemium • Proprietary

    Application types

    Platforms

    • Online
    • Chrome OS
    Outlook.com screenshot 1
    Outlook.com screenshot 2

    Top Outlook.com Features

    1.  Support for Aliases
    2.  Mail Filtering
    3.  Calendar Integration
    4.  Multiple Account support
    5.  Spam Filter
    6.  Extensible by Plugins/Extensions
    7.  File Tagging
    8.  Dark Mode
    9.  Two-factor Authentication
    10.  IMAP Support
    11. Skype icon  Skype integration
    12.  File Organizer
    Outlook.com iconOnion Mail Icon

    Outlook.com VS Onion Mail

    Is Outlook.com a good alternative to Onion Mail?
     
  7. Zoho Mail icon
    Zoho Mail icon

    Zoho Mail

     117 likes
    Copy a direct link to this comment to your clipboard

    Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs.

    104 Zoho Mail alternatives
    All-in-one view

    License model

    • Freemium • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Apple Watch
    • Android Tablet
    All your tasks in a single place
    Take your bookmarks anywhere you go
    +3
    Instant chat for instant communication

    Properties

    1.  Privacy focused

    Features

    1.  Custom Domain
    2.  Ad-free
    3.  Mail Filtering
    4.  Virtual office
    5.  Two-factor Authentication
    6.  Document Sharing
    7.  Support for Aliases
    8.  Email reminder
    9.  SMTP Support
    10.  Snooze Mail
    11.  POP3 Support
    12.  Integrated Spam Protection
    Zoho Mail iconOnion Mail Icon

    Zoho Mail VS Onion Mail

    Is Zoho Mail a good alternative to Onion Mail?
     

    • Zoho Mail is the most popular Android Tablet alternative to Onion Mail.

    • Zoho Mail is Freemium and ProprietaryOnion Mail is Freemium and Open Source
    • Zoho Mail is Privacy focusedOnion Mail is not according to our users
  9. Posteo icon
    Posteo icon

    Posteo

     76 likes
    Copy a direct link to this comment to your clipboard

    Web- and IMAP-based email service. 2GB cost 1€/month. Information is hosted on encrypted hard drives. Electricity from renewable resources is used.

    69 Posteo alternatives
    Drag and drop

    License model

    Application types

    Platforms

    • Online
    Conversion view
    WYSIWYG
    +9
    Contact page

    Properties

    1.  Privacy focused

    Features

    1.  Encrypted mail and contacts
    2.  Encrypted Email
    3.  Calendar Integration
    4.  PGP Encryption
    5.  Two-factor Authentication
    6.  Mail Filtering
    7.  Support for Aliases
    8.  No Tracking
    9.  Ad-free
    10.  Calendar View
    11.  Spam Filter
    12.  End-to-End Encryption
    Posteo iconOnion Mail Icon

    Posteo VS Onion Mail

    Is Posteo a good alternative to Onion Mail?
     

    • Posteo is the most popular commercial alternative to Onion Mail.

    • Posteo is Paid and ProprietaryOnion Mail is Freemium and Open Source
    • Posteo is Privacy focusedOnion Mail is not according to our users
  10. Mailbox.org icon
    Mailbox.org icon

    Mailbox.org

     61 likes
    Copy a direct link to this comment to your clipboard

    E-mail inbox, online office, cloud storage, and video conferencing. Business or personal plans. From 1 € /month (1.10 USD).

    78 Mailbox.org alternatives
    Dashboard online office. Powered by Open-Xchange

    License model

    Application types

    Platforms

    • Online
    Unlimited video conference. Up to 10 participants. OpenTalk.
    Webmail
    +5
    Online office shortcut menu. Powered by Open-Xchange.

    Properties

    1.  Privacy focused

    Features

    1.  Custom Domain
    2.  Encrypted Email
    3.  Built-in Calendar
    4.  Calendar Integration
    5.  No Tracking
    6.  PGP Encryption
    7.  Spam Filter
    8.  Two-factor Authentication
    9.  Automatic Backup
    10.  Real time collaboration
    11.  Support for Aliases
    12.  Cloud Sync
    Mailbox.org iconOnion Mail Icon

    Mailbox.org VS Onion Mail

    Is Mailbox.org a good alternative to Onion Mail?
     
  11. Riseup icon
    Riseup icon

    Riseup

     79 likes
    Copy a direct link to this comment to your clipboard

    Riseup is an organization which provides online communication tools for people and groups working on liberatory social change. To create democratic alternatives & practice self-determination by controlling our own secure means of communications.

    29 Riseup alternatives
    Riseup screenshot 1

    License model

    • Free • Proprietary

    Application type

    Platforms

    • Online
    • Tor
    Riseup screenshot 1
    Riseup screenshot 2

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Ad-free
    2.  OpenVPN
    3.  Spam Filter
    4.  No Tracking
    5.  Organization
    Riseup iconOnion Mail Icon

    Riseup VS Onion Mail

    Is Riseup a good alternative to Onion Mail?
     
  12. Mailpile icon
    Mailpile icon

    Mailpile

     117 likes
    Copy a direct link to this comment to your clipboard

    Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features. The development of Mailpile is funded by a large community of backers and all code related to the project is and will be released under an OSI approved Free Software license.

    60 Mailpile alternatives
    Mailpile screenshot 1

    License model

    • Free • Open Source

    Application types

    Platforms

    • Linux
    • Online
    • Self-Hosted
    • OpenPGP
    Mailpile screenshot 1

    Mailpile Features

    1.  OpenPGP
    2.  Web-Based
    3.  Encrypted Email
    4.  IMAP Support
    5.  POP3 Support
    Discontinued

    The latest release (1.0.0rc6) was released in September 2019.

    Mailpile iconOnion Mail Icon

    Mailpile VS Onion Mail

    Is Mailpile a good alternative to Onion Mail?
     
  13. Fastmail icon
    Fastmail icon

    Fastmail

     69 likes
    Copy a direct link to this comment to your clipboard

    Fastmail offers secure email hosting with comprehensive webmail services, including IMAP, POP, and SMTP protocols. It supports file sharing, shared folders, large mailboxes, instant messaging, and is compatible with popular email programs. Excellent for businesses with compliance features.

    68 Fastmail alternatives
    Fastmail screenshot 1

    License model

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Inbox
    Alias
    +6
    Calendar

    Properties

    1.  Privacy focused

    Features

    1.  Support for Aliases
    2.  Ad-free
    3.  Full-Text Search
    4.  Two-factor Authentication
    5.  Email Organizer
    6.  Reminders
    7.  No Tracking
    8.  Spam Filter
    9.  Calendar Integration
    10.  Calendar View
    11.  Mail Filtering
    12.  Integrated Spam Protection
    Fastmail iconOnion Mail Icon

    Fastmail VS Onion Mail

    Is Fastmail a good alternative to Onion Mail?
     
  14. Vivaldi Mail icon
    Vivaldi Mail icon

    Vivaldi Mail

     32 likes
    Copy a direct link to this comment to your clipboard

    Vivaldi Mail is a free email service with no ads and no strings attached developed by Vivaldi Technologies. It also offers contacts and calendar features, search capabilities, folders management, WEB/POP/IMAP access, 10GB of storage capacity, 20 MB of maximum attachment size...

    95 Vivaldi Mail alternatives
    Mail

    License model

    • Free • Proprietary

    Application types

    Platforms

    • Online
    • Vivaldi
    Calendar
    New Message
    +2
    Manage Folders

    Vivaldi Mail Features

    1.  Ad-free
    2.  PGP Encryption
    3.  Mail Filtering
    4.  Dark Mode
    5.  Calendar Integration
    6.  IMAP Support
    7.  POP3 Support
    8.  Encrypted Email
    9.  Web-Based
    Vivaldi Mail iconOnion Mail Icon

    Vivaldi Mail VS Onion Mail

    Is Vivaldi Mail a good alternative to Onion Mail?
     
  15. Enigmail icon
    Enigmail icon

    Enigmail

     71 likes
    Copy a direct link to this comment to your clipboard

    Enigmail is a security extension to Mozilla Thunderbird and SeaMonkey. It enables you to write and receive email messages signed and/or encrypted with the .

    32 Enigmail alternatives
    Thunderbird window with Decrypt button

    License model

    • Free • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • GnuPG
    • Thunderbird
    • SeaMonkey

    Enigmail Features

    1.  Encrypted Email
    OpenPGP menu in main window
    Compose window with OpenPGP Security button
    +3
    OpenPGP menu in compose window
    Enigmail iconOnion Mail Icon

    Enigmail VS Onion Mail

    Is Enigmail a good alternative to Onion Mail?
     
13 of 29 Onion Mail alternatives