mitt is a tiny 200-byte functional event emitter/pubsub, perfect for managing state and triggering actions in JavaScript applications. It offers a simple API with on, off, and emit methods, enabling efficient synchronous event handling without complex dependencies. Ideal for microservices, browser extensions, or any environment where size and performance are critical, mitt provides an elegant solution for component communication and decoupled architectures. Its simplicity makes it easy to learn and integrate into existing projects.