What Does SDK Stand For? The SDK acronym stands for Software Development Kit. Meaning, an SDK is a comprehensive set of tools created to boost application development for specific platforms or technologies. What is an SDK used for? SDK stands for software development kit. Also known as a devkit, the SDK is a set of software-building tools for a specific platform, including the building blocks, debuggers and, often, a framework or group of code libraries such as a set of routines specific to an operating system (OS). What’s in an SDK? A software development kit (SDK) is a set of tools that helps you build software for a specific platform, operating system, or service. Think of it as a ready-made toolbox containing essentials like code libraries, documentation, compilers, debuggers, and APIs. A software development kit ( SDK ) is a collection of tools for creating applications for a specific platform and system. Learn about the types, features, examples and licenses of SDKs, and how they can be unsafe or beneficial for app developers.