lessfs – A high performance inline data deduplicating filesystem for Linux.
lessfs is released under the GNU GPLv3 license and can be downloaded from:
Lessfs mailing list : email@example.com
EPRD – An eventually persistent kernel based ram disk or disk cache.
TIER – A tiered storage blockdevice
Tier mailing list : firstname.lastname@example.org
Lessfs offers a flexible solution to utilize data deduplication on affordable commodity hardware. Lessfs is a high-performance inline data deduplication filesystem written for Linux and is currently licensed under the GNU General Public License version 3. It also supports LZO, QuickLZ and BZip compression (among a couple others), and data encryption as well as replication.