Genc is an open-source framework designed for building generative AI applications, enabling the integration of diverse capabilities across multiple languages, platforms, and devices. It enhances development efficiency through composability, portability, and customizability, allowing users to create and deploy applications seamlessly across environments like Android and cloud services. Unlike langchain, which is Python-centric, genc offers a cross-language and cross-platform solution for developers, complementing existing tools rather than competing with them.