Magento 2 Alternate Hreflang Extension - Alternate Tags Manager
Magento 2 Twitter Cards Extension - Social Sharing Tags Tool
sessionly - Sessionly helps you to visualize the customer journey with different tools like Heatmaps, Sessions, Polls, Surveys, Feedback in one tool.
Magento 2 Mautic Integration Extension - Mautic-Magento Synchronizer
Magento 2 Dynamic Categories Extension - Automatic Product Generating Category
Growave - All-in-one Marketing Platform. A bundle of powerful tools for photo reviews, wishlists, loyalty programs, referrals, gift cards, and UGC.