Paragon Software Group, which specializes in data storage, has released Paragon APFS SDK Community Edition, a free source code on Github that opens access to the regularly updated SDK libraries for macOS, Windows, Linux, RTOS, and UEFI environments. 

Paragon APFS SDK Community Edition grants read access to APFS-formatted drives. It’s designed to solve interoperability and cross-platform communication problems, empowering applications with instant and seamless connectivity to APFS-storage media on non-Apple platforms. The SDK license is targeted towards original equipment manufacturers, forensic experts and software developers who need read access to APFS-formatted data.

Paragon APFS SDK Community Edition comes with the demo utility and libraries that provide read-only support to APFS volumes. You can get it at https://github.com/Paragon-Software-Group/paragon_apfs_sdk_ce,