Socket.IO Open-Source Realtime Server

Explore this developer service’s free allowance, critical restrictions and official documentation before deploying.

INCLUDED FREE ALLOWANCE

MIT-licensed Node.js real-time bidirectional messaging library/server and clients, with no license fee, seat cap or software event quota when operated on your own infrastructure.

Plan details

Plan: Ongoing free allowance
Deployment model: Self-hosted
Credit card: Not required
Commercial use: Allowed
Added to directory (UTC): 2026-10-29
Last checked: 2026-10-29

Important restrictions

You run and secure the Socket.IO server, TLS, scaling adapter and network; compute, bandwidth, Redis and optional hosted messaging providers are not included. This is not a vendor-operated free messaging cloud plan.

View official documentation

Independent community listing, not affiliated with the provider. Always check the latest billing policy and quotas before enabling paid usage.