Email Marketing Platforms: Tools like Mailchimp, Constant Contact, and SendinBlue offer features to optimize deliverability and engagement. Analytics Tools: Google Analytics and similar tools can help you track performance metrics. Spam Checkers: Tools like Litmus and SpamAssassin can help you identify issues that could land your emails in spam folders. Design Tools: Canva and Adobe Spark can help you create visually appealing emails. Segmentation Tools: Advanced segmentation tools within email marketing platforms can help you target the right audience.