The tools have had an initial release.
A First Update.
A Second Update.
FilePlanet has the files available for download on its site. This is the Tools/Utility link.
Where you want to download is up to you. It should be noted that you should have the game to use the tools. The EULA (user agreement) requires this. Make sure you install them in the order they were released.
Here are a couple links to reliable download locations. Please read the EULA carefully prior to using the tools.
Much of this information is interchangable for NOLF 1, the 2.1 version of Lithtech.
Good luck with the SDK.