Vulkan is a next generation graphics and compute API that provides high-efficiency, cross-platform access to modern GPUs used in PCs, consoles, mobile phones and embedded platforms.
PortAudio is a cross platform, open-source, audio I/O library. It provides a very simple API for recording and/or playing sound using a simple callback function.
VueScan is the easiest way to get your scanner working on macOS, Windows 10 and more. VueScan includes a driver for your scanner even though it isn't support anymore.