Email Services
Mailplane
Gmail client built for OSX with Calendar and Gmail support to allow usage in the familiar Gmail environment.
Superhuman
It is not just another email client. They are rebuilding the inbox from the ground up to make you brilliant at what you do. Specifically designed it for those of you who want the best.
Zimbra
It is an open source server and secured & fast customer software for messaging and collaboration. The software consists of both client and server components, and a desktop client. It also provides native two-way sync to many mobile devices.
ProtonMail
It is the world's largest secure email service, developed by CERN and MIT scientists. We are open source and protected by Swiss privacy law
Gmail
An easy to use email app that saves you time and keeps your messages safe. Get your messages instantly via push notifications, read and respond online & offline, and find any message quickly.