SBT, short for “sbt” (Simple Build Tool), is a popular open-source build tool for Scala and Java projects. It is designed to simplify the process of building, testing, and packaging software, making it easier for developers to manage and maintain their projects. SBT uses a declarative approach, allowing developers to define their project’s structure and dependencies in a single configuration file. This makes it highly customizable and efficient, as it only builds the necessary components and avoids unnecessary recompilation. With its intuitive command-line interface and extensive plugin ecosystem, SBT has become a go-to tool for many developers looking to streamline their build process and increase productivity.