Mailo - Mailo is an email client where you can send and receive emails to and from anyone with an email address.
Inbox.lv - Inbox.lv Mail
HEY - Email at its best, new from Basecamp.
Webmail.ca.za - Free email, file storage, sms and more.
Horde - Horde Groupware is a free, enterprise ready, browser based collaboration suite.
Gmail Go - Gmail is email that’s intuitive, efficient, and useful. 15 GB of storage, less spam, and mobile access.