Merlin is an open-source project hosted on GitHub, specifically designed as a deep learning library in Julia. Its repository URL is https://github.com/hshindo/Merlin.jl. The library is crafted for easy and efficient scientific computing, leveraging the capabilities of Julia to provide a flexible and powerful environment for deep learning tasks. It aims to enable fast prototyping and is suited for both research purposes and application development.With Merlin, users can take advantage of Julia's high-performance computing capabilities to execute complex machine learning models efficiently. The project's structure also supports the growth and involvement of the community, encouraging contributions to enhance functionalities and performance over time. Whether you are a researcher, developer, or enthusiast in the field of machine learning, Merlin could serve as a valuable tool to explore and deploy deep learning models.