Convex Has a Free Reactive Backend — Real-Time Database with TypeScript Functions and Zero Infra

Why Convex? Convex is a reactive backend that auto-syncs data to your frontend. Change a database record and every connected client updates instantly — no WebSocket code, no polling. npm create convex@latest Define Your Schema // convex/schema.ts import { defineSchema , defineTable } from ' convex/server ' import { v } from ' convex/values ' export default defineSchema ({ messages : defineTable ({ text : v . string (), author : v . string (), timestamp : v . number (), }), }) Server Functions // convex/messages.ts import { query , mutation } from ' ./_generated/server ' import { v } from ' convex/values ' export const list = query ( async ( ctx ) => { return await ctx . db . query ( ' messages ' ). order ( ' desc ' ). take ( 50 ) }) export const send = mutation ({ args : { text : v . string (), author : v . string () }, handler : async ( ctx , args ) => { await ctx . db . insert ( ' messages ' , { ... args , timestamp : Date . now () }) }, }) React (Auto-Syncing) import { useQuery , us