As filed with the Securities and Exchange Commission on September 17, 2007

Registration No. 333-46319

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

_______________________________

Post-Effective Amendment No. 1 to

FORM S-3

REGISTRATION STATEMENT

UNDER THE SECURITIES ACT OF 1933

________________________________

FIRSTWAVE TECHNOLOGIES, INC.

(Exact name of issuer as specified in its charter)

Georgia	58-1588291
(State of Incorporation)	(I.R.S. Employer Identification Number)

7000 Central Parkway NE

Suite 330

Atlanta, GA30328

(678) 672-3100

(Address, including zip code, and telephone number, including

area code, of registrant’s principal executive offices)

______________________________

Richard T. Brock

President and Chief Executive Officer

Firstwave Technologies, Inc.

7000 Central Parkway NE

Suite 330

Atlanta, GA30328

(678) 672-3100

(Name, address, including zip code, and telephone

number, including area code, of agent for service)

Copies to:

Ward S. Bondurant, Esq.

Travis T. Townsend, Jr., Esq.

Morris, Manning & Martin, L.L.P.

1600 Atlanta Financial Center

3343 Peachtree Road, N.E.

Atlanta, Georgia 30326

(404) 233-7000

________________________________

DEREGISTRATION OF UNSOLD SECURITIES

Firstwave Technologies, Inc. (the “Company”) is filing this Post-Effective Amendment No. 1 to Form S-3 Registration Statement (this “Post-Effective Amendment”) to withdraw and remove from registration the unissued and unsold securities previously registered by the Company pursuant to its Registration Statement on Form S-3 filed with the Securities and Exchange Commission on February 13, 1998 (Registration No. 333-46319) (the “Registration Statement”).

The Company hereby removes from registration all of the securities registered under the Registration Statement that remain unsold as of the date hereof. As a result of this deregistration, no securities remain registered for sale pursuant to the Registration Statement.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933 and Rule 478 thereunder, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-3 and has duly caused this Post-Effective Amendment to the Registration Statement on Form S-3 to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Atlanta, State of Georgia, on this 17th day of September, 2007.

FIRSTWAVE TECHNOLOGIES, INC.

By: /s/ Richard T. Brock 

         Richard T. Brock

         Chief Executive Officer