DigitalPUSH allows you to re-engage visitors and drive them back to your website, from anywhere on the browser. Offering both manual and automated sending, real time reports, instant delivery and powerful segmentation, DigitalPUSH is the ideal solution to grow your website via push notifications.
OneSignal - Customer engagement platform used by over 1 million developers and marketers; the fastest and most reliable way to send mobile and web push notifications, in-app messages, emails, and SMS.
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
PushEngage - Personalized Browser Push Notifications.
restdb.io - restdb.io lets you create databases and REST APIs quickly. Development databases are free. Powerful web-based and mobile-friendly data management.
Scaledrone - Realtime messaging service
RemoteStorage - An open protocol for per-user storage OWN YOUR DATA