SmartSVN is a cross-platform SVN client available for Windows, macOS, and Linux operating systems. It provides developers with a graphical user interface (GUI) for interacting with SVN repositories, offering a range of features to facilitate common version control tasks such as checkout, commit, merge, update, and branching. SmartSVN is designed to be user-friendly, making it suitable for developers of all skill levels, from beginners to advanced users.