Technologies that facilitate the development of augmented reality (AR) applications include AR SDKs (Software Development Kits), which provide the necessary tools for developers to create AR experiences. Tools like Unity and Vuforia offer frameworks for building AR applications across various platforms. Additionally, computer vision technology is essential for recognizing and interpreting the surrounding environment. Advanced hardware like AR glasses and smartphone cameras also plays a vital role, as they allow users to engage with AR content interactively. Overall, these technologies converge to create immersive and functional AR applications, enhancing user experiences.