Main stack: framework SSR moderne 16, React 19, TypeScript, Node.js, Prisma ORM, PostgreSQL, Redis. AI: OpenAI, Claude, Mistral, Pinecone, pgvector. Mobile: React Native, Expo. Hosting: Vercel, Hetzner or AWS.

AEO is optimization for AI search engines: ChatGPT, Perplexity, Gemini, Claude. Methodology: FAQPage schema, long-tail conversational content, llms.txt, citable statistics, expert mentions (E-E-A-T).

n8n is self-hostable, open-source, more flexible for developers. Make (formerly Integromat) is cloud SaaS, more accessible for non-techies. n8n for complex flows + confidentiality, Make for quick automations.