Auth Tools
The auth-as-a-service landscape. Clerk, Better Auth, Auth.js, Auth0, Supabase Auth, WorkOS — and when to pick each.
Background Jobs
Long-running or scheduled work that shouldn't block HTTP requests. Trigger.dev, Inngest, BullMQ, Sidekiq, Celery, Temporal.
Services
The boring-but-essential third-party services every app needs — payments (Stripe), email (Resend), files (R2), video (Mux), maps, push notifications, analytics.
AI Infrastructure
The new layer in modern web apps — model providers, SDKs, vector databases, embeddings, streaming, AI observability.