Several tools and platforms can help you implement modularity:
Email Builders: Tools like Stripo, BeeFree, and Mailchimp’s email builder offer drag-and-drop functionalities using modular components. Design Systems: Creating a design system with tools like Figma or Sketch can help manage and update your components efficiently. Code Repositories: Version control systems like GitHub can be used to manage and update your HTML and CSS modules. Testing Platforms: Use platforms like Litmus or Email on Acid to test your emails across various clients and devices.