Mailgun

One of the most popular email services, Gmail keeps track of all your emails with threaded conversations, tags, and Google-powered search to find any message you need.

Microsoft Outlook is a web-based suite of webmail, contacts, tasks, and calendaring services.

Email API for transactional and marketing emails.

Modern email API with great DX and React-based templating.

An all-in-one email and SMS marketing platform with marketing automation, CRM, transactional email, landing pages, and live chat, designed for businesses looking to manage customer communications and campaigns from a single, cost-effective platform.

An email marketing and automation platform that includes newsletter campaigns, visual automation workflows, webinar hosting, landing pages, and conversion funnels, making it a broad-purpose tool for businesses growing their audience and revenue online.

An email marketing and automation tool built for small businesses, bloggers, and entrepreneurs that offers drag-and-drop email design, autoresponder sequences, subscriber tagging, landing page creation, and ecommerce integrations to help grow and monetize an email list.

An email marketing platform designed for creators, bloggers, and independent businesses that emphasizes simplicity, subscriber tagging and segmentation, visual automation workflows, and commerce features like paid newsletters and digital product sales.

An email marketing and automation platform with drag-and-drop campaign design, behavioral segmentation, real-time analytics, landing pages, and subscription forms, offering a cost-effective feature set for growing businesses looking to automate their email marketing.