Some additional repos to consider:
laravel-queue-gc-pub-sub — Laravel Queue Driver to use Google Compute's PubSub
google-pub-sub — Library for Laravel to use the Google PubSub Methods
google-cloud-pub-sub-queue-driver-for-laravel — inspired by thecubicle/laravel-queue-gc-pub-sub
laravel-rabbimq — Queue and Pub/Sub
laravel-redis-publisher — A laravel package for publishing to a Redis key for use in Pub/Sub
Once a week...... I send out a list of most interesting Laravel libraries and apps.
Want to get it?