At the moment we use Laravel backend and Vue.js frontend. 
Authorization: SIWE(Sign-In With Ethereum), 
data providers: Alchemy, CoinGecko, Moralis, WatchData, 
infra: Docker compose(Laradock) based server, 
storage: MySql  + Redis for hashing, 
frontend: vuetify, chart.js,
subscription plan: usage limits based on project's NFT collection.  