Great for our ETL stack in Matillion and for various scripts we use as part of our deployment
Just lets you get things done, doesn't have the cyclical dependency problems you often get with RHEL flavours.
We use Aurora for our OLTP database, it provides significant speed increases on top of MySQL without the need to manage it
CakePHP is one of the most mature and developed PHP Frameworks available, it brings order to Chaos and the core team are a decent bunch of people who really care about the project