Professional Webmail, secure and encrypted Web, POP, IMAP, and SMTP access, email administration tools, complete email, domain, and web hosting services in one interface. Find out more about the features of Runbox

Runbox alternatives

  • ProtonMail

  • Secure email with absolutely no compromises, brought to you by MIT and CERN scientists.

    tags: 4096-bit-encryption anonymity anonymous-email custom-domain email-encryption
    platform: Online Android iPhone iPad
  • Tutanota

  • Tutanota is a free and open source web-mail client that focuses on privacy. There's also an Android and an iOS app. All data is stored encrypted and can not be searched, i.e. for commercial usage. It offers dead easy end-to-end encryption.

    tags: anonymity email-encryption encrypted-email end-to-end-encryption file-encryption
    platform: Online Android iPhone iPad
  • Mailpile

  • 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.

    tags: email-client email-encryption imap pop3 web-based
    platform: Mac OS X Windows Linux Online Self-Hosted
  • Enigmail

  • 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 OpenPGP standard.

    tags: thunderbird-extension email-encryption seamonkey-extension
    platform: Mac OS X Windows Linux Thunderbird SeaMonkey
  • Mailvelope

  • Mailvelope is a browser extension that allows to exchange encrypted emails following the OpenPGP encryption standard.

    tags: browser-extension chrome-extension email-encryption encrypt-text file-encryption
    platform: Mac OS X Windows Linux Chrome OS Google Chrome Firefox
  • Kolab Now

  • Kolab Now, formerly MyKolab, is a fully featured secure collaboration and communication service that is easy to use on any device.

    tags: address-book caldav calendar carddav cloud-computing
    platform: Online DAVdroid
  • Posteo

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

    tags: anonymity built-in-calendar encrypted-email green imap
    platform: Online

  • offers a secure e-mail account for home and business use. The domain name, [email protected], is easy to remember and can be understood anywhere in the world. They have been operating e-mail accounts for more than 20 years and are a highly reliable service provider.

    tags: ad-free built-in-calendar email-encryption encrypted-email gpg-encryption
    platform: Online Windows Mobile Android iPhone Android Tablet iPad Kindle Fire
  • Disroot

  • Disroot is a project based in Amsterdam, it is maintained by volunteers and depends on the support of its community.

    tags: cloud-hosting email-hosting nextcloud-integration pastebin privacy-email
    platform: Online
  • GPGMail

  • GPGMail is an open source plugin for Apple Mail. It brings the functionality to sign, verify, encrypt and decrypt mails using the OpenPGP standard.

    tags: file-encryption pgp email-encryption
    platform: Mac OS X

  • provides private, encrypted, online communication with layers of security you can trust. With rocketing growth online and improvements to computer capacity, governments and private sector are collecting and sharing information on every facet of people’s lives. is dedicated to actively improving privacy protection with innovative technology.

    tags: anonymity email-analysis email-analytics email-client email-encryption
    platform: Online
  • PEPS

  • PEPS - The new open source collaboration platform

    tags: file-sharing mail-server webmail-server webmail-service
    platform: Linux
  • SCRYPTmail

  • SCRYPTmail is true end-to-end encrypted email service. Email and meta data, i.e sender / recipient are encrypted when you communicate within scryptmail domain.

    tags: anonymity email-encryption encrypted-email end-to-end-encryption private-email
    platform: Online
  • Secure Gmail

  • An extension to send secure, encrypted messages through Gmail.

    tags: chrome-extension email-encryption gmail-extension google-apps-support
    platform: Mac OS X Windows Linux Google Chrome Gmail
  • FlowCrypt

  • FlowCrypt (formerly CryptUp) lets you Encrypt Gmail with PGP in 60 seconds. Easiest end-to-end encryption for Google Email.

    tags: chrome-extension email-encryption encrypted-email end-to-end end-to-end-encryption
    platform: Mac OS X Windows Linux Online Android Chrome OS Google Chrome Firefox