DBCAT installation is trivial:

1. You must have a java runtime  environment installed
   (1.4.x and upper, should work with 1.2.x and upper)
   
2. Copy the dbcat files somewhere and execute the
   dbcat.sh  on Unix (chmod it to be executable) 
   dbcat.bat on Windows
   the  default scripts load the JDBC drivers from the
   drivers/ directory - modify the scripts if you want 
   to load other drivers

FILES:

dbcat.sh		Unix  shell  script to start  dbcat
dbcat.bat		Windows cmd  script to start  dbcat
dbcat.jar		JavaARchive that contains the dbcat 
			java classes, sources, jedit-syntax
			classes etc.
dbcatBrowser.props	Text file that contains the queries
			definitions for  the  dbcat browser
			This file is easily  modificable to
			add/improve  support  for databases
dbcatDatabases.props	Text file that contains the default
			database connection parameters. You
			should  edit this  file in order to 
			customize it for your databases
license.txt		Guess it
INSTALL.txt		This file
CHANGELOG		A changelog file
README			A readme file as every  program has
			a readme file

source code is in the dbcat/ directory for dbcat.jar archive

URL: http://art.sourceforge.net/dbcat