StackPatch is an open-source CLI that patches production-ready authentication directly into your codebase. Run one command and get Google & GitHub auth, protected routes, session management, Auth UI pages, and middleware & API routes all added as real files inside your repo -- No SaaS, No lock-in, no black box SDKs. Works with: Nextjs; React; Nuxt; Sveltekit; Astro
Looking beyond StackPatch? Try ZenStack to model data with auth baked in, Clerk for drop-in user management, Vite for blazing-fast builds, Claude Code for AI pair programming, and Expo to ship cross‑platform apps fast.