InstallBase is a multi-platform GUI installer written in Tcl/Tk and designed to work on Windows, Mac and virtually any flavor of UNIX / Linux.
Current release is 1.0a5, released on March 21, 2003. Superseded by installjammer.
Screenshots are available here -- http://installbase.sourceforge.net/screenshots.shtml
[ Location: http://www.sf.net/projects/installbase/
Author: Damon Courtney ]
"InstallJammer is the renamed, re-designed InstallBase project and has been in work for over two years for this release." (the alpha release 1.0a1, dated 2005-11-14)