EXHIBIT 32.1



CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO SECTION 906 OF THE

SARBANES-OXLEY ACT OF 2002



In connection with the Quarterly Report of Bitstream Inc.
(the Company) on Form 10-Q for the period ended September 30, 2003 as filed with the Securities and Exchange on the date hereof (the Report), each of the undersigned, in the capacities and on the dates indicated below, hereby
certifies pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to his or her knowledge:



| | 1. | The Report complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
| | -- | ---------------------------------------------------------------------------------------------------------------



| | 2. | The information contained in the Report fairly presents, in all material respects, the financial condition and results of operation of the Company.
| | -- | ---------------------------------------------------------------------------------------------------------------------------------------------------



|SIGNATURE                             |  | TITLE                                                                                                       |  | DATE             
|------------------------------------- |  | ----------------------------------------------------------------------------------------------------------- |  | -----------------
|                                      |  |                                                                                                            
|/s/    CHARLES
YINGCharles Ying       |  | Chairman of the Board of Directors, (Chief Executive Officer through October 30, 2003)                      |  | November 13, 2003
|                                      |  |                                                                                                            
|/s/    ANNA M.
CHAGNONAnna M. Chagnon |  | President, Chief Operating Officer, and General Counsel, and Chief Executive Officer since October 30, 2003 |  | November 13, 2003
|                                      |  |                                                                                                            
|/s/    JAMES P.
DOREJames P. Dore     |  | Vice President and Chief Financial Officer (Principal Financial and Accounting Officer)                     |  | November 13, 2003



This certification
accompanies this Report pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 and shall not be deemed filed by the Company for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to liability under
that section. This certification shall not be deemed incorporated by reference in any filing under the Securities Act or Exchange Act, except to the extent that the Company specifically incorporates it by reference.



A signed original of this written statement required by Section 906, or other
document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form with the electronic version of this written statement required by Section 906, has been provided to the Company and will be retained by the
Company and furnished to the Securities and Exchange Commission or its staff upon request.