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* [http://aiya.ms.mff.cuni.cz/lfs LFS] is another log-structured file system for Linux developed by Charles University, Prague. It was to include support for snapshots and indexed directories, but development has since ceased.
* [[ULFS]] is a User-Level Log-structured File System (http://ulfs.sf.net) using FUSE (http://fuse.sf.net).
* [[Cache Accelerated Sequential Layout|CASL]] is a proprietary log-structured filesystem that uses Solid State Devices to cache traditional hard drives (http://www.nimblestorage.com/products/architecture/).
Some kinds of storage media, such as [[flash memory]] and [[CD-RW]], slowly degrade as they are written to and have a limited number of erase/write cycles at any one ___location. Log-structured file systems are sometimes used on these media because they make fewer in-place writes and thus prolong the life of the device by [[wear leveling]]. The more common such file systems include:
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