google-cloud-pubsub-v1

https://github.com/googleapis/google-cloud-ruby

Cloud Pub/Sub is a fully-managed real-time messaging service that allows you to send and receive messages between independent applications. Note that google-cloud-pubsub-v1 is a version-specific client library. For most uses, we recommend installing the main client library google-cloud-pubsub instead. See the readme for more details.