GraphQL Playground - GraphQL IDE for better development workflows
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
How to GraphQL - Open-source tutorial website to learn GraphQL development
Supabase - An open source Firebase alternative
GraphQl Editor - Editor for GraphQL that lets you draw GraphQL schemas using visual nodes
RemoteStorage - An open protocol for per-user storage OWN YOUR DATA