HAMMER is a high-availability filesystem written for DragonFly BSD. For a web development application on Macs, use the [hammerformac] tag. For the JavaScript Hammer library, use the [hammer.js] tag.
HAMMER is a file system written for DragonFly that provides instant crash recovery, multi-volume file systems, integrity checking, fine grained history/undo, networked mirroring, and historical snapshots. HAMMER is the default file system for DragonFly.
http://www.dragonflybsd.org/hammer/
http://en.wikipedia.org/wiki/HAMMER
For a web development application for Macs, use the hammerformac tag.
For the JavaScript Hammer library, use the hammer.js tag.