Nakama - Nakama is an open-source distributed social and realtime server for games and apps.
GameSparks - GameSparks is a Backend-as-a-Service solution provider to mobile game developers to help them...
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
PlayFab - PlayFab is a backend platform for games, delivering powerful real-time tools and services for LiveOps.
Supabase - An open source Firebase alternative
Back4App - Low code backend to build apps faster and scale easily.