Exhibit 32.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

PURSUANT TO

18 U.S.C. SECTION 1350

I, Francis E. Wilde, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report of Tarantella, Inc. on Form 10-Q for the fiscal quarter ended December 31, 2004 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report on Form 10-Q fairly presents in all material respects the financial condition and results of operations of Tarantella, Inc.

By:	/s/ Francis E. Wilde
Name:	Francis E. Wilde
Title:	Chief Executive Officer
(Principal Executive Officer)
February 11, 2005