Spidy88 uses CloudAMQP
Provides durable queues that allow the front-end website to accept events and turn them into jobs for the background workers to process.
HyperTrack uses CloudAMQP
Used along with Celery, for offloading CPU intensive tasks to separate workers instead of running them on our application server.
csmith932 uses ActiveMQ
Remote broker and local client for incoming data feeds. Local broker for republishing data feeds to other systems.