Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Swetrix - Ultimate open-source analytics to satisfy all your needs.
restdb.io - restdb.io lets you create databases and REST APIs quickly. Development databases are free. Powerful web-based and mobile-friendly data management.
Simple Analytics - The privacy-first Google Analytics alternative located in Europe.
RemoteStorage - An open protocol for per-user storage OWN YOUR DATA
Google Analytics - Improve your website to increase conversions, improve the user experience, and make more money using Google Analytics. Measure, understand and quantify engagement on your site with customized and in-depth reports.