ConvertKit is a conversion-focused email marketing service. ConvertKit encourages text-only emails to make them feel less "corporate"
One of the most well-known email marketing services is Aweber. It's been around since the 1990s, and they're credited with being the first to use autoresponders.
Drip is a high-end email marketing service and cross-channel marketing automation tool aimed at e-commerce businesses, particularly Shopify users.
Active Campaign is a modern email marketing software with a nice user interface and extra features.
MailChimp is popular with budget bloggers and marketers. It has free premium email marketing features (with a limit on subscriber size and number of emails sent).
Get Response is a business marketing all-in-one service. It covers email marketing basics, landing pages, and webinars.
Along with email marketing tasks, Sendinblue can send transactional messages, so customers can get email and SMS order confirmations.
Another newcomer to the email marketing space is Mailer Lite. It has features you wouldn't expect to find in an email marketing tool.
Benchmark Email is a clean and minimalist email marketing tool. Its advanced email editor lets you build emails with images, text, buttons, and links.
Over the last few years, Constant Contact has undergone some changes. It is now an email marketing service with additional features for users of ecommerce websites.