Active-DVI - DVI previewer and a programmable presenter for slides written in LaTeX. Site contains screen shots, manual, FAQ, download and mailing list. - http://pauillac.inria.fr/activedvi/
xdvik - A version of xdvi that incorporates Karl Berry's kpathsea library for path searching and has support for hyperTeX and Omega. - http://xdvi.sourceforge.net/
xdvi for Presentations - Tips on using xdvi as presentation software. - http://ricardo.ecn.wfu.edu/~cottrell/xdvi/
xdvi - A program to display .dvi files under the X Window System. Unix version and documentation. - http://math.berkeley.edu/~vojta/xdvi.html