OpenZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community.
Cost / License
- Free
- Open Source
Platforms
- Linux
- BSD
- FreeBSD
btrfs is described as 'Btrfs is a modern copy on write (CoW) filesystem for Linux aimed at implementing advanced features while also focusing on fault tolerance, repair and easy administration' and is an app in the os & utilities category. There are six alternatives to btrfs for Linux, BSD, FreeBSD and Windows. The best btrfs alternative is OpenZFS, which is both free and Open Source. Other great apps like btrfs are StableBit DrivePool, mergerfs, Greyhole and mhddfs.
OpenZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community.



Greyhole is an application that uses Samba to create a storage pool of all your available hard drives (whatever their size, however they're connected), and allows you to create redundant copies of the files you store, in order to prevent data loss when part of your hardware...
Bcachefs is an advanced new filesystem for Linux, with an emphasis on reliability and robustness and the complete set of features one would expect from a modern filesystem.