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.

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

ProtonMail is an end-to-end encrypted email service.

Yandex.Mail is a free email service.

GMX Free Webmail is the Free Email.

K-9 Mail is an open source email client with support for multiple accounts, search, IMAP push email, multi-folder sync, flagging, filing, signatures.

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

Yahoo! Mail, a web-based email service, launched in 1997 through the American parent company Yahoo!. Yahoo! Mail provides four different email plans: three ar…

Zoho Mail is a email service with ample storage, POP and IMAP access, some integration with instant messaging and online office suites.