FlexASIO is described as 'A flexible universal ASIO driver that uses the PortAudio sound I/O library. Supports WASAPI (shared and exclusive), KS, DirectSound and MME' and is an app in the system & hardware category. There are three alternatives to FlexASIO for Windows. The best FlexASIO alternative is ASIO4ALL. It's not free, so if you're looking for a free alternative, you could try ASIO4ALL or FlexASIO_GUI.
ASIO4ALL is a hardware independent low latency ASIO driver for WDM audio devices. It uses WDM (Windows Driver Model) Kernel-Streaming and sometimes even more sophisticated methods to achieve its objectives.
This is a small GUI to make the configuration of https://github.com/dechamps/FlexASIO a bit quicker.
This project is a hardware-independent ASIO driver for Windows Vista or higher. It provides a translation layer between Steinberg ASIO protocol and Windows' native low-level audio API (WASAPI).
doesn't aggregate interfaces
Germany
EU
cant use multiple interfaces at the same time