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Dead Man's Switch

  • Fastify
  • React
  • Vite
  • Tailwind
  • TypeScript
  • PostgreSQL
  • Resend
  • Caddy

Dead Man’s Switch is a self-hosted web service for personal emergency preparedness. Configure a check-in schedule — if you miss a deadline, the system automatically sends pre-written emails to your designated contacts, with optional AES-256-GCM encrypted file attachments. Built for single-operator use behind a reverse proxy with invite-only registration.