signalingserver.js

Alternative signaling server that works in browser, no server required.

>DEMO<

Benefit

• ✅ 0 Dependencies
• ✅ No server required
• ✅ Simple API

How does it works?

It use free public WebTorrent trackers as transport.

Ideas

• WebRTC signaling server
• Peer discovery
• Mesh network
• Chat
• Multiplayer
• P2P matchmaking
• Synchronization

Install

npm install signalingserver.js

CDN

• https://cdn.jsdelivr.net/npm/signalingserver.js/+esm
• https://unpkg.com/signalingserver.js
• https://esm.sh/signalingserver.js

Usage

import {createSignalingServer} from 'signalingserver.js';

const config = {
	appid : 'myApp'
}

const node = createSignalingServer(config);

node.data((signal,signal_id)=>{

	//handle signal
	console.log(`receive signal : ${signal}`);

	if(signal_id){
		//send answer signal
		const msg = 'answer signal';
		node.send(msg,signal_id);
	}
	
});

//broadcast signal
const msg = 'offer signal';
node.send(msg);

API

node = createSignalingServer(config)

Create new signaling server node.

config : optional configuration object.

• appid = (string) custom unique application ID.
• tracker = (array) custom WebTorrent tracker list.

node.send(signal,signal_id)

Send signal to other node, leave out signal_id paramater to broadcast.

node.data(callback)

Listen for event with callback function containing parameter :

• (signal,signal_id) - event from broadcaster offer.
• (signal) - event form other node answer.

Recomendation

Encrypt the signal before send it to prevent plaintext data appearing in the network logger.

Showcase

• p2p.js - Build serverless peer to peer webapps powered by auto matchmaking WebRTC.

License

• MIT (2026) Nuzulul Zulkarnain