Tabbie - The missing tab manager for Chrome
Maileroo - Maileroo is a powerful email delivery platform, featuring a user-friendly SMTP service and Email API. It specializes in supporting transactional emails with advanced features like delivery tracking, as well as detailed open and click monitoring.
Tab Management by Motion (Beta) - The most powerful tab manager ever built as a Motion feature
Postmark Express - What happens to your emails after you hit the "send" button?
Workona - A better way to work in the browser.
Warmup Inbox - Warmup Inbox is a tool that automates the process of warming up your email inboxes, raising your sender reputation and inbox health automatically.