Rot is an open source command line interface (CLI) tool that facilitates the management of secrets. Its main functionality lies in the encryption and decryption of secrets, with the capacity to generate keys and values using the latest encryption techniques. It also allows for the rekeying of secrets to keep up with evolving encryption standards. The tool provides features for sharing secrets with other users and devices, and implements one-way encryption for production secrets. It offers the ability to run commands and scripts with secrets injected through environment variables. Additionally, it provides the capability to securely store secrets within git, presenting them with human-readable differences.