Full list of builtin engine modules

docker_events Send events from Docker events
logentries An engine that sends events to the Logentries logging service.
logstash An engine that reads messages from the salt event bus and pushes them onto a logstash endpoint.
redis_sentinel An engine that reads messages from the redis sentinel pubsub and sends reactor events based on the channels they are subscribed to.
slack An engine that reads messages from Slack and sends them to the Salt event bus.
sqs_events An engine that continuously reads messages from SQS and fires them as events.
test A simple test engine, not intended for real use but as an example