the local hard drive, the network or memory. Content of these file systems can come from any sources, e.g. Developers download FUSE to use its SDK for writing new files systems in an easier and quicker way as compared to traditional approach of writing in-kernel file systems. Users install FUSE for macOS to utilize a third-party file system written atop FUSE for macOS. Legacy MacFUSE file systems are supported through the optional compatibility layer.
You might have heard of MacFUSE, it is a previous version of FUSE system and is no longer maintained. So what is FUSE? This software enables extending native file handling capabilities of macOS with the help of file systems developed by third parties. MacOS comes along with a piece of software called FUSE and many do not seem to be aware of its purpose.