Litmus shows you exactly how your designs look on every platform, across every popular web browser. (And the not-so-popular ones.)
Cost / License
- Paid
- Proprietary
Platforms
- Online



Email on Acid is described as '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' and is a Email Marketing service in the business & commerce category. There are more than 50 alternatives to Email on Acid, not only websites but also apps for a variety of platforms, including SaaS, Windows, Linux and Self-Hosted apps. The best Email on Acid alternative is Listmonk, which is both free and Open Source. Other great sites and apps similar to Email on Acid are Brevo, MailerLite, SENDER and Audienceful.
Litmus shows you exactly how your designs look on every platform, across every popular web browser. (And the not-so-popular ones.)



Unspam.email is an online spam tester tool for emails. It helps to improve the deliverability and reputation of your email campaigns.

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.



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.




Create and automate email campaigns using customizable newsletters, autoresponders, and easy drag-and-drop editing. Access list segmentation, sign-up forms, detailed analytics, split-testing, e-commerce tools, app integrations, and award-winning live customer support.







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.




SendBlaster is an e-mail marketing software for managing your mailing list. Easy bulk email software and mass email software to send multiple emails: polite email marketing delivery.




Email marketing software that makes it easy to create professional HTML email campaigns with no tech skills Has a 60-Day FREE trial.
VerticalResponse is the only email marketing solution you need to build your opt-in mailing lists, send targeted email newsletters and track results, right from your browser.
It's also a service to test how emails render, whereas most of the other alternatives are email sending platforms