Litmus

Litmus is an all-in-one email marketing platform that provides tools for building, testing, personalizing, monitoring, and analyzing email campaigns. The channel states that over 800,000 marketing professionals worldwide, including many large enterprises, have used the platform since 2005. In April 2025, Litmus was acquired by Validity, a provider of marketing success and customer data intelligence solutions.

The platform's content focuses on email marketing best practices, thought leadership, and the use of AI in campaigns. Recent videos discuss topics such as email accessibility, personalized experiences, omnichannel subscriber management, and industry insights from major email providers. The channel also covers event follow-up workflows and features expert advice on connecting with international audiences.