Simple Vanilla Implementation of an Event PubSub Service to do simply publish/subscribe inter-communication while optionally providing data in the event

feature rich publish / subscribe module

SVForge Realtime — generic WebSocket transport (publish/subscribe)

> Small publish & subscribe class

Neemata ephemeral publish/subscribe injectables and adapters.

A small dependency-free publish/subscribe (pub/sub) javascript library

A lightweight pubsub (publish-subscribe) state manager.

Publish Subscribe utility

A publish-subscribe utility library designed with BroadcastChannel API

In-process message bus infrastructure with handlers, middleware, and publish/subscribe patterns.

MCP server for NATS messaging - publish, subscribe, JetStream, and KV operations

Transport-agnostic cross-process publish/subscribe primitive for FuryStack

Angular 1.x implementation of the Publish/Subscribe pattern.

A simple implementation of publish-subscribe pattern based on topic objects instead of strings.

Message bus implementation via publish / subscribe pattern

libp2p-floodsub, also known as pubsub-flood or just dumbsub, this implementation of pubsub focused on delivering an API for Publish/Subscribe, but with no CastTree Forming (it just floods the network).

Converting publish-subscribe/IPC-like interaction model into the request/response model powered by RxJS

Publish Subscribe library using post message for sdc plugins

Publish/subscribe client for the Polkadot Statement Store with host-first transport and topic-based routing

Variant of the publish/subscribe pattern.