Sites and apps similar to Onion Mail include Proton Mail, which is open source with a free version. Other options are Tuta Mail, Disroot, Zoho Mail and Posteo. WebMail Providers like Onion Mail are a crowded field, with more than 25 alternatives for Android, iPhone, iPad, Linux and Windows.
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 .
France
EU
Cock.li is your go-to solution for professional E-mail addresses and XMPP addresses. Since 2013 cock.li has provided stable E-mail services to an ever-increasing number of users. Cock.li allows registration and usage using Tor and other privacy services (proxies, VPNs) and is...
United States
QRYPTY Mail is a privacy-first email service that requires zero personal data to register. No password, no phone number, no recovery email — signup takes 10 seconds and gives you a random 32-character access code that only you know.
Galae is a secure email service focused on deliverability, self-management and interoperability. It totally relies on free/libre opensource software.
Japan
Permanent and temporary email accounts with Webmail, IMAP, POP3, and API for registrations, incoming messages, codes, and automation.
Russia
Anonymous peer-to-peer distributed communication layer built with open source tools and designed to run any traditional Internet service such as email, IRC or web hosting.
FlowCrypt (formerly CryptUp) is the easiest PGP encryption for Gmail. It behaves just like standard email, except it's encrypted.
United States
Hey is a new hosted email service launched by the makers of Basecamp , which aims to organize your email inbox. Since they don’t sell ads, or invade your privacy, they charge $99/year for HEY
United States
Kolab Now provides a suite of intuitive apps in a user friendly environment to make your day to day online comms easier, smarter and most importantly; secure.
Switzerland
