Download the current version of Nail (from SourceForge) here:
Version 3.3 now includes improved data loading tools
Installation instructions can be found here
Known Known issues with version 3.3 can be found here
If you use Nail and have any issues/suggestions please email me on firstname.lastname@example.org
The Nail server (.php files) are Open Source and covered by the GNU General Public License. The Nail loading tools are provided as Freeware (non-Open Source).