cool old term – terminal emulator which mimics the old cathode display
Immutable data cannot be changed once created, leading to much simpler application development and enabling techniques from functional programming such as lazy evaluation.
Terraform – infrastructure automation and management tool. It complements configuration management tools like Puppet and Chef, as well as infrastructure building tools like CloudFormation. The beauty of it is that it is tool and cloud agnostic. You can use it to build and maintain infrastructure across multiple clouds.
DNSimple – a hosted DNS service. Offers a REST API among other things.