Tcl-GDBI is a Tcl/Tk front end for MySQL and others
--> dead link 2002-08-23 --> still dead 2007-01-20
http://www.binaryevolution.com/~tdarugar/tcl-sql/
had an honourable mention at http://www-128.ibm.com/developerworks/linux/library/l-db.html (2001-02-01)