Hydra

Hydra is an open-source Python framework that simplifies the development of complex applications by dynamically composing hierarchical configurations.

Developed by Meta Research, Hydra eliminates the boilerplate code typically required for command-line argument parsing and logging. It allows you to compose your application's configuration from multiple sources (files or the command line) just before execution, making it a staple for machine learning experiments where hyperparameters change frequently. Key features like the Multirun flag enable you to launch dozens of jobs with varying parameters using a single command, while its pluggable architecture supports seamless integration with remote launchers like Slurm or AWS. By providing type safety through OmegaConf and dynamic tab completion in the shell, Hydra ensures that scaling from a local script to a distributed cluster remains efficient and error-free.

https://hydra.cc/