StatCounter - StatCounter is a simple but powerful real-time web analytics service that helps you track, analyse and understand your visitors so you can make good decisions to become more successful online.
Magento 2 Mautic Integration Extension - Mautic-Magento Synchronizer
Histats - Start tracking your visitors in 1 minute!
Growave - All-in-one Marketing Platform. A bundle of powerful tools for photo reviews, wishlists, loyalty programs, referrals, gift cards, and UGC.
Matomo - Matomo is an open-source web analytics platform
Plytix - Plytix empowers small ecommerce teams to optimize, distribute, and analyze product data and content from one easy to use cloud platform.