SDcard library for stm32 is a bare metal implementation which can easily be integrated into existing projects to provide functionality such as read ,write and create files and folders on a SDcard . the library is continuously under development to provide more features and support more protocols for high speed applications as well
Why do you think that https://github.com/Bsm-B/Stm32-FatFs-FreeRTOS is a good alternative to Stm32-SDcard-library