LibreOffice 3.6.1 has been released some time ago, but there were no Slackware package for this application, not until Eric published his build for this package today.
The LibreOffice package was built on top of Slackware 13.37, but it should work on Slackware 14.0 as well. The reason is that because compiling LibreOffice is VERY time consuming. I have tried to build LibreOffice in the past and it was compiling for several days and it ended with a failure :(
This package can be obtained from several repositories: