Hushmail - Full-featured email service with integrated security to safeguard your data.
Roundcube - Web-based IMAP email client
AOL Mail - FREE e-mail account with IMAP, spam and virus protection with UNLIMITED storage (GMail max. 7.3 GB).
Horde - Horde Groupware is a free, enterprise ready, browser based collaboration suite.
Gmail - Gmail is available across all your devices Android, iOS, and desktop devices. Sort, collaborate or call a friend without leaving your inbox.
Rainloop - RainLoop is a web based email client.