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WalkieTalkie

Real-time voice communication app built with Fastify, MongoDB and React — walkie-talkie style push-to-talk on modern web technologies.

WalkieTalkie is a real-time communication application built with MongoDB, Fastify and React with TypeScript. It provides instant voice communication similar to traditional walkie-talkies, delivered entirely over the browser.

What it does

  • Push-to-talk voice channels over a persistent real-time connection
  • Fastify backend, chosen for low per-request overhead on high-frequency traffic
  • MongoDB for users, channels and session state
  • TypeScript end to end

Stack

Fastify, MongoDB, React, TypeScript.