Create a virtual simulation of your email in the top 15, most used email clients! Our Email Acid Test will analyze your code and identify exactly which HTML tags and/or CSS properties are not supported by each email client.



Campaign Monitor is described as 'Cloud-based email campaign platform with drag-and-drop editing, in-depth analytics, list segmentation, automation, integrations, and white-label features' and is a Email Marketing service in the business & commerce category. There are more than 100 alternatives to Campaign Monitor, not only websites but also apps for a variety of platforms, including SaaS, Windows, Self-Hosted and Mac apps. The best Campaign Monitor alternative is Mailchimp, which is free. Other great sites and apps similar to Campaign Monitor are Listmonk, Brevo, Stripo.email and MailerLite.
Create a virtual simulation of your email in the top 15, most used email clients! Our Email Acid Test will analyze your code and identify exactly which HTML tags and/or CSS properties are not supported by each email client.



User.com is an advanced marketing, communication, and sales system that helps automate personalized communication and streamline business processes. Use features like live chat, in-app messages, mailing, marketing automation, CRM, and user tracking.




Growing small businesses use Keap Ultimate for a robust CRM solution with advanced marketing and sales automation, fully customizable campaigns, advanced ecommerce, text marketing, and so much more.




All in one email delivery platform that includes an SMTP Relay, API, and a full suite of tools via the browser based UI.
Free email marketing software that lets you Create, Send, and Track HTML email campaigns with robust tools that sophisticated marketers use (like segmentation, a/b testing, and ROI tracking). And because the platform uses an API, its easy to integrate internal systems (like...




You can use ShoutOut to announce a sale, or promote a new item in stock, or even share the news of your engagement.



KingSMTP is a transactional SMTP relay for SaaS, forums, and e-commerce. Send email notifications reliably with a clean IP, no KYC, and crypto payments accepted — including Bitcoin and Monero.




EmailOctopus is the low-cost email marketing platform offering high deliverability, customer segmentation, customized reports and the ability to drip email sequences, import contacts and integrate with forms.







Email marketing and automation software used by over 100,000 small businesses, entrepreneurs and bloggers around the world.




FlipMail provides a powerful email marketing service to boost sales for your business and drive additional buyers for offered products.


Advanced software facilitating email marketing campaigns with features like unlimited list management, email personalization, detailed reporting, and integration with Facebook and Twitter. Includes secure SMTP server and supports HTML/plain-text emails, offering scalability for businesses.



