Lightroom News has a brief review of an interesting new Lightroom plugin called Enfuse.

Enfuse is an existing open source blending program that creates images similar to tonemapped images, (but without over-exaggerated style many fans of HDR seem to like. In addition, any file can be used as source images. You would usually access Enfuse via the command line however Lightroom Export Plugin creator Timothy Armes has created a front end for it for Lightroom.

Enfuse for Lightroom (Lightroom News)