I Built a Personal Knowledge Graph App — Here's the Full Stack Behind It

You read Sapiens, then watched Inception, and felt a connection between them. Spotify didn't suggest it. Goodreads didn't know about it. That connection existed only in your mind. I built Synaptive to make those invisible connections visible. What is Synaptive? Synaptive is a personal knowledge graph app. You add the books you read, movies you watch, podcasts you listen to — then draw connections between them and write why they're linked. The result is a visual map of your intellectual journey that no algorithm could create. 🔗 Live: synaptive.app The Stack Here's what powers it: Next.js 14 (App Router) — SSR/SSG/ISR, API routes, everything in one repo TypeScript — strict mode, no any PostgreSQL + Prisma ORM — type-safe database layer NextAuth.js v5 — GitHub + Google + credentials auth with email verification @xyflow/react (React Flow) — interactive node-based graph editor Tailwind CSS + shadcn/ui — design system with dark/light themes Framer Motion — page transitions and micro-interact