AOL Mail (Aol Mail) is a free web-based email service.

FastMail is an email service offering paid email accounts for individuals and organizations.

GMX Free Webmail is the Free Email.

Kolab Now is a web-based email and groupware service, based completely on free and open-source software.

Mailfence is a web-based email service that offers OpenPGP based end-to-end encryption and digital signatures.

Outlook.com is a free personal email service from Microsoft.

Autistici / Inventati provides activists, groups and collectives with platforms for a freer communication and digital tools for privacy self-defence.

Gmail is Google's email platform which is free for personal use. It is currently one of the most popular and widely used email platform which as clients for a…

Hushmail is an encrypted proprietary web-based email service offering PGP-encrypted e-mail and vanity domain service.

Mail.com is a web portal and web-based email service provider.

Mailpile is a webmail client with encryption and privacy features built-in. Mailpile is free and open-source software.

Posteo is an email service provider offering paid email accounts for individuals and businesses.