Qtpfsgui
Homepage: http://qtpfsgui.sourceforge.net
Here you can find Slackbuild and binary package of Qtpfsgui an open source graphical user interface application for HDR imaging.
qtpfsgui.SlackBuild slack-desc
qtpfsgui-1.8.12-i486-1fr.tgz (Binary package)
qtpfsgui-1.9.0-i486-1fr.tgz (Binary package)
You'll need qt4, exiv2, fftw, ilmbase, openexr. You can find all these packages at www.slacky.it
Every other dependency can be found in a standard slackware installation.