Postbox

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Zoho Mail

K-9 Mail is an open source email client focused on making it easy to chew through large volumes of email. K-9 Mail is designed for both novice and power users and offers lots of features for everyone. It provides features like Push IMAP Support, GPG & PGP/MIME support, Per Account Notifications, Unified Inbox, White and Dark Theme, and Signatures.

Apple Mail is email client built specifically for the Apple eco-system. You can use Apple Mail on your mobile iOS device or your macOS desktop or laptop. It provides all the features needed to communicate effectivley via email, such as view and manage your favorite mailboxes right in the Mail sidebar, search for emails, it's easy to see which mailboxes are being searched and quickly select different mailboxes, easily view and sort messages in column layou and quickly open and use tabs in the Mail window.

Vivaldi Mail is free email service and email client that includes multi-account support, mailing lists, filters, flags, keyboard shortcuts, and labels. Vivaldi Mail is built by the people behind the Vivaldi web browser and is provided as advertisement free mail client.

For over 20 years, Aweber as been providing email marketing solutions and helped over 1 million small businesses to grow online. Aweber is an email marketing platform that can be used to manage email marketing campaigns. Some of the features Aweber provides include an AI-powered design assistant that automatically builds you amazing-looking branded email templates in seconds. A drag & drop email and landing page designer. A campaign market place that can be used to import high performing pre-built campaigns into your account to accelerate using automations in your marketing efforts. As well as campaign automation that can be used for auto responding and email personalisation.

SendGrid is an transactional and email marketing platform that provides a developer friendly API. The service is used by over 80,000 developers who in total send over 70 billion emails every month. As a developer you can integrate your application with ease thanks to developer API, while also enjoying the features SendGrid Marketing Campaign. With SendGrid Marketing Campaign you can create email templates, monitor your campaigns and track important statistics such as open rates, link clicks, device usage, and user location.

MailerLite is an email marketing service and tool provider that brings features designed to help users grow subscribers and build stronger relationships. The experience provided by MailerLite is fresh, intuitive, and loved by many of its users. It includes everything from a drag & drop editor for email templates to automation features that can be used to stay connected with your customer-base.