Balcony is a modern CLI tool that with some killer features:
Balcony uses read-only operations, it does not take any action on the used AWS account.
An actually accurate AWS service dashboard.
The last S3 security document that we’ll ever need, and how to use it.
A search engine for open and unsecured Amazon S3 buckets.
Has a REST API. Have a key.
A list of default usernames for Linux AMI's in Amazon's EC2.
Amazon makes available a hidden API endpoint which lists the IP address ranges used for EC2.
Python module that interfaces directly with AWS FlowLogs.