<PAGE>   1


    AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON AUGUST 15, 2000

                                                  REGISTRATION NO. 333-_________

================================================================================

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                 ---------------

                                    FORM S-8
                             REGISTRATION STATEMENT
                                      Under
                           The Securities Act of 1933

                                 ---------------

                              i2 TECHNOLOGIES, INC.
             (Exact name of registrant as specified in its charter)


          DELAWARE                                         75-2294945
  (State or other jurisdiction                 (IRS Employer Identification No.)
of incorporation or organization)

                                  ONE i2 PLACE
                                 11701 LUNA ROAD
                               DALLAS, TEXAS 75234
               (Address of principal executive offices) (Zip Code)


           ASPECT DEVELOPMENT, INC. 1996 EMPLOYEE STOCK PURCHASE PLAN
                            (Full title of the Plan)

                                 ---------------

                               WILLIAM M. BEECHER
              EXECUTIVE VICE PRESIDENT AND CHIEF FINANCIAL OFFICER
                              i2 TECHNOLOGIES, INC.
                                  ONE i2 PLACE
                                 11701 LUNA ROAD
                               DALLAS, TEXAS 75234
                                 (469) 357-1000

            (Name, address including zip code, and telephone number,
                   including area code, of agent for service)

                         CALCULATION OF REGISTRATION FEE

<TABLE>
<CAPTION>

====================================================================================================================================
                                                                    Proposed Maximum        Proposed Maximum
            Title of Securities                 Amount to be         Offering Price            Aggregate               Amount of
              to be Registered                  Registered(1)         per Share(2)         Offering Price(2)        Registration Fee
            --------------------                ----------          ----------------       -----------------        ----------------

<S>                                            <C>                   <C>                  <C>                       <C>
     Aspect Development, Inc. 1996 Employee
     Stock Purchase Plan

     Common Stock, $0.00025 par value          220,000 shares           $117.53              $25,856,600.00            $6,826.14

</TABLE>

(1)      This Registration Statement shall also cover any additional shares of
         Common Stock which become issuable under the Aspect Development, Inc.
         1996 Employee Stock Purchase Plan by reason of any stock dividend,
         stock split, recapitalization or other similar transaction effected
         without the receipt of consideration which results in an increase in
         the number of the outstanding shares of the Registrant's Common Stock.

(2)      Calculated solely for purposes of this offering under Rule 457(h) of
         the Securities Act of 1933, as amended, on the basis of the weighted
         average exercise price of the outstanding options.


<PAGE>   2

                                     PART II

               INFORMATION REQUIRED IN THE REGISTRATION STATEMENT


Item 3.  Incorporation of Documents by Reference

         i2 Technologies, Inc. (the "Registrant") hereby incorporates by
reference into this Registration Statement the following documents previously
filed with the Securities and Exchange Commission (the "SEC"):

         (a)      The Registrant's Annual Report on Form 10-K for the fiscal
                  year ended December 31, 1999, filed with the SEC on March 22,
                  2000, pursuant to Section 13 of the Securities Exchange Act of
                  1934, as amended (the "1934 Act");

         (b)      The Registrant's Quarterly Reports on Form 10-Q for the fiscal
                  quarters ended March 31, 2000 and June 30, 2000, filed with
                  the SEC on May 15, 2000 and August 14, 2000, respectively;

         (c)      The Registrant's Current Reports on Form 8-K dated January 19,
                  2000, March 13, 2000, March 27, 2000, April 18, 2000, April
                  28, 2000, and June 9, 2000 filed with the SEC on January 21,
                  2000, March 14, 2000 (as amended Form 8-K/A filed with the SEC
                  on March 17, 2000), April 11, 2000 (as amended on Form 8-K/A
                  filed with the SEC on June 1, 2000), April 19, 2000, May 12,
                  2000 and June 22, 2000, respectively; and

         (d)      The Registrant's Registration Statement No. 00-28030 on Form
                  8-A filed with the SEC on March 20, 1996 pursuant to Section
                  12 of the 1934 Act, in which there is described the terms,
                  rights and provisions applicable to the Registrant's
                  outstanding Common Stock.

         All reports and definitive proxy or information statements filed
pursuant to Section 13(a), 13(c), 14 or 15(d) of the 1934 Act after the date of
this Registration Statement and prior to the filing of a post-effective
amendment which indicates that all securities offered hereby have been sold or
which deregisters all securities then remaining unsold shall be deemed to be
incorporated by reference into this Registration Statement and to be a part
hereof from the date of filing of such documents. Any statement contained in a
document incorporated or deemed to be incorporated by reference herein shall be
deemed to be modified or superseded for purposes of this Registration Statement
to the extent that a statement contained herein or in any subsequently filed
document which also is deemed to be incorporated by reference herein modifies or
supersedes such statement. Any such statement so modified or superseded shall
not be deemed, except as so modified or superseded, to constitute a part of this
Registration Statement.

Item 4.  Description of Securities

         Not Applicable.

Item 5.  Interests of Named Experts and Counsel

         Not Applicable.

Item 6.  Indemnification of Directors and Officers

         Subsection (a) of Section 145 of the General Corporation Law of the
State of Delaware empowers a corporation to indemnify any person who was or is a
party or is threatened to be made a party to any threatened, pending or
completed action, suit or proceeding whether civil, criminal, administrative or
investigative (other than an action by or in the right of the corporation) by
reason of the fact that he is or was a director, officer, employee or agent of
the corporation, or is or was serving at the request of the corporation as a
director, officer, employee or agent of another corporation, partnership, joint
venture, trust or other enterprise, against expenses (including attorneys'
fees), judgments, fines and amounts paid in settlement actually and reasonably
incurred by him in connection with such action, suit or proceeding if he acted
in good faith and in a manner he reasonably believed to

                                      II-1

<PAGE>   3


be in or not opposed to the best interests of the corporation, and, with respect
to any criminal action or proceeding, had no reasonable cause to believe his
conduct was unlawful.

         Subsection (b) of Section 145 empowers a corporation to indemnify any
person who was or is a party or is threatened to be made a party to any
threatened, pending or completed action or suit by right of the corporation to
procure a judgment in its favor by reason of the fact that such person acted in
any of the capacities set forth above, against expenses (including attorneys'
fees) actually and reasonably incurred by him in connection with the defense or
settlement of such action or suit if he acted in good faith and in a manner he
reasonably believed to be in or not opposed to the best interests of the
corporation, except that no indemnification may be made in respect to any claim
issue or matter as to which such person shall have been adjudged to be liable to
the corporation unless and only to the extent that the Court of Chancery or the
court in which such action or suit was brought shall determine upon application
that, despite the adjudication of liability but in view of all the circumstances
of the case, such person is fairly and reasonably entitled to indemnity for such
expenses which the Court of Chancery or such other court shall deem proper.

         Section 145 further provides that to the extent a director or officer
of a corporation has been successful on the merits or otherwise in the defense
of any such action, suit or proceeding referred to in subsections (a) and (b) of
Section 145 or in the defense of any claim, issue or matter therein, he shall be
indemnified against expenses (including attorneys' fees) actually and reasonably
incurred by him in connection therewith; that the indemnification provided for
by Section 145 shall not be deemed exclusive of any other rights which the
indemnified party may be entitled; that indemnification provided by Section 145
shall, unless otherwise provided when authorized or ratified, continue as to a
person who has ceased to be a director, officer, employee or agent and shall
inure to the benefit of such person's heirs, executors and administrators; and
empowers the corporation to purchase and maintain insurance on behalf of a
director or officer of the corporation against any liability asserted against
him and incurred by him in any such capacity, or arising out of his status as
such, whether or not the corporation would have the power to indemnify him
against such liabilities under Section 145.

         Section 102(b)(7) of the General Corporation Law or the State of
Delaware provides that a certificate of incorporation may contain a provision
eliminating or limiting the personal liability of a director to the corporation
or its stockholders for monetary damages for breach of fiduciary duty as a
director, provided that such provision shall not eliminate or limit the
liability of the director (i) for any breach of the director's duty of loyalty
to the corporation or its stockholders, (ii) for acts or omissions not in good
faith or which involve intentional misconduct or a knowing violation of law,
(iii) under Section 174 of the Delaware General Corporation Law, or (iv) for any
transaction from which the director derived an improper personal benefit.

         Article Eleventh of the Registrant's Restated Certificate of
Incorporation provides that, to the fullest extent permitted by the Delaware
General Corporation Law as the same exists or as it may hereafter be amended, no
director of the Registrant shall be personally liable to the Registrant or its
stockholders for monetary damages for breach of fiduciary duty as a director.

         Section 6.1 of the Registrant's Amended and Restated Bylaws further
provides that the Registrant shall, to the maximum extent and in the manner
permitted by the General Corporation Law of Delaware, indemnify each of its
directors and officers against expenses (including attorneys' fees), judgments,
fines, settlements, and other amounts actually and reasonably incurred in
connection with any proceeding, arising by reason of the fact that such person
is or was an agent of the Registrant. The Registrant has entered into
indemnification agreements with each of its directors and executive officers.
The Registrant maintains officers' and directors' liability insurance.

Item 7.  Exemption from Registration Claimed

         Not Applicable.

                                      II-2

<PAGE>   4

Item 8.  Exhibits

           Number     Exhibit

             4        Instruments Defining the Rights of Stockholders. Reference
                      is made to Registrant's Registration Statement No.
                      00-28030 on Form 8-A which is incorporated herein by
                      reference pursuant to Item 3(d).

             5        Opinion and Consent of Brobeck, Phleger & Harrison LLP.

             23.1     Consent of Arthur Andersen LLP, Independent Public
                      Accountants.

             23.2     Consent of Brobeck, Phleger & Harrison LLP is contained in
                      Exhibit 5.

             24       Power of Attorney. Reference is made to page II-4 of this
                      Registration Statement.

             99.1*    Aspect Development, Inc. 1996 Employee Stock Purchase Plan

         *   Exhibit 99.1 is incorporated herein by reference to Exhibit 99.5 of
             Registrant's Registration Statement No. 333-40038 on Form S-8 filed
             with the SEC on June 23, 2000.

Item 9.  Undertakings

         A. The undersigned Registrant hereby undertakes: (1) to file, during
any period in which offers or sales are being made, a post-effective amendment
to this Registration Statement (i) to include any prospectus required by Section
10(a)(3) of the 1933 Act, (ii) to reflect in the prospectus any facts or events
arising after the effective date of this Registration Statement (or the most
recent post-effective amendment thereof) which, individually or in the
aggregate, represent a fundamental change in the information set forth in this
Registration Statement and (iii) to include any material information with
respect to the plan of distribution not previously disclosed in this
Registration Statement or any material change to such information in this
Registration Statement; provided, however, that clauses (1)(i) and (1)(ii) shall
not apply if the information required to be included in a post-effective
amendment by those paragraphs is contained in periodic reports filed by the
Registrant pursuant to Section 13 or Section 15(d) of the 1934 Act that are
incorporated by reference into this Registration Statement; (2) that for the
purpose of determining any liability under the 1933 Act each such post-effective
amendment shall be deemed to be a new registration statement relating to the
securities offered therein and the offering of such securities at that time
shall be deemed to be the initial bona fide offering thereof; and (3) to remove
from registration by means of a post-effective amendment any of the securities
Development, Inc. 1996 Employee Stock Purchase Plan.

         B. The undersigned Registrant hereby undertakes that, for purposes of
determining any liability under the 1933 Act, each filing of the Registrant's
annual report pursuant to Section 13(a) or Section 15(d) of the 1934 Act that is
incorporated by reference into this Registration Statement shall be deemed to be
a new registration statement relating to the securities offered therein, and the
offering of such securities at that time shall be deemed to be the initial bona
fide offering thereof.

         C. Insofar as indemnification for liabilities arising under the 1933
Act may be permitted to directors, officers, or controlling persons of the
Registrant pursuant to the indemnification provisions summarized above in item
6, or otherwise, the Registrant has been advised that, in the opinion of the
SEC, such indemnification is against public policy as expressed in the 1933 Act,
and is, therefore, unenforceable. In the event that a claim for indemnification
against such liabilities (other than the payment by the Registrant of expenses
incurred or paid by a director, officer, or controlling person of the Registrant
in the successful defense of any action, suit, or proceeding) is asserted by
such director, officer, or controlling person in connection with the securities
being registered, the Registrant will, unless in the opinion of its counsel the
matter has been settled by controlling precedent, submit to a court of
appropriate jurisdiction the question whether such indemnification by it is
against public policy as expressed in the 1933 Act and will be governed by the
final adjudication of such issue.


                                      II-3
<PAGE>   5



                                   SIGNATURES

         Pursuant to the requirements of the Securities Act of 1933, as amended,
the Registrant certifies that it has reasonable grounds to believe that it meets
all of the requirements for filing on Form S-8, and has duly caused this
Registration Statement to be signed on its behalf by the undersigned, thereunto
duly authorized, in the City of Dallas, State of Texas on this 15th day of
August 2000.

                                     i2 TECHNOLOGIES, INC.


                                     By: /s/ WILLIAM M. BEECHER
                                        ----------------------------------------
                                        William M. Beecher
                                        Executive Vice President and
                                          Chief Financial Officer





                                POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS:

         That the undersigned officers and directors of i2 Technologies, Inc., a
Delaware corporation, do hereby constitute and appoint Sanjiv S. Sidhu and
William M. Beecher and each of them, the lawful attorneys-in-fact and agents
with full power and authority to do any and all acts and things and to execute
any and all instruments which said attorneys and agents, and any one of them,
determine may be necessary or advisable or required to enable said corporation
to comply with the Securities Act of 1933, as amended, and any rules or
regulations or requirements of the Securities and Exchange Commission in
connection with this Registration Statement. Without limiting the generality of
the foregoing power and authority, the powers granted include the power and
authority to sign the names of the undersigned officers and directors in the
capacities indicated below to this Registration Statement, to any and all
amendments, both pre-effective and post-effective, and supplements to this
Registration Statement, and to any and all instruments or documents filed as
part of or in conjunction with this Registration Statement or amendments or
supplements thereof, and each of the undersigned hereby ratifies and confirms
that all said attorneys and agents, or any one of them, shall do or cause to be
done by virtue hereof. This Power of Attorney may be signed in several
counterparts.

         IN WITNESS WHEREOF, each of the undersigned has executed this Power of
Attorney as of the date indicated.

         Pursuant to the requirements of the Securities Act of 1933, as amended,
this Registration Statement has been signed below by the following persons in
the capacities and on the dates indicated.

<TABLE>
<CAPTION>

Signature                                   Title                                               Date
---------                                   -----                                               ----

<S>                                         <C>                                                 <C>
/s/ SANJIV S. SIDHU                         Chairman of the Board and Chief Executive Officer
---------------------------------------     (Principal Executive Officer)                       August 15, 2000
Sanjiv S. Sidhu

/s/ WILLIAM M. BEECHER                      Executive Vice President and Chief Financial
---------------------------------------     Officer (Principal Financial Officer)               August 15, 2000
William M. Beecher

/s/ NANCY F. BRIGHAM
---------------------------------------
Nancy F. Brigham                            Controller (Principal Accounting Officer)           August 15, 2000
</TABLE>
                                      II-4


<PAGE>   6

<TABLE>
<CAPTION>



<S>                                         <C>                                                 <C>
/s/ SANDEEP R. TUNGARE
---------------------------------------
Sandeep R. Tungare                          Director                                            August 15, 2000

/s/ HARVEY B. CASH
---------------------------------------
Harvey B. Cash                              Director                                            August 15, 2000


---------------------------------------
Thomas J. Meredith                          Director
</TABLE>


                                      II-5

<PAGE>   7



                       SECURITIES AND EXCHANGE COMMISSION

                                WASHINGTON, D.C.



                                    EXHIBITS

                                       TO

                                    FORM S-8

                                      UNDER

                             SECURITIES ACT OF 1933


                              i2 TECHNOLOGIES, INC.

<PAGE>   8


                                  EXHIBIT INDEX


<TABLE>
<CAPTION>

          EXHIBIT
           NUMBER      DESCRIPTION
          --------     -----------

<S>                   <C>
             4        Instruments Defining the Rights of Stockholders. Reference
                      is made to Registrant's Registration Statement No.
                      00-28030 on Form 8-A which is incorporated herein by
                      reference pursuant to Item 3(d).

             5        Opinion and Consent of Brobeck, Phleger & Harrison LLP.

             23.1     Consent of Arthur Andersen LLP, Independent Public
                      Accountants.

             23.2     Consent of Brobeck, Phleger & Harrison LLP is contained in
                      Exhibit 5.

             24       Power of Attorney. Reference is made to page II-4 of this
                      Registration Statement.

             99.1*    Aspect Development, Inc. 1996 Employee Stock Purchase Plan
</TABLE>



         *   Exhibit 99.1 is incorporated herein by reference to Exhibit 99.5 of
             Registrant's Registration Statement No. 333-40038 on Form S-8 filed
             with the SEC on June 23, 2000.
[{"type": "S-8", "sequence": "1", "filename": "s-8.txt", "description": "FORM S-8", "secsgml_size_bytes": 22405}]
{"company-data": {"conformed-name": "I2 TECHNOLOGIES INC", "cik": "0001009304", "assigned-sic": "7372", "irs-number": "752294945", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-43838", "film-number": "703363"}, "business-address": {"street1": "ONE 12 PLACE", "street2": "11701 LUNA RD", "city": "DALLAS", "state": "TX", "zip": "75234", "phone": "4643571000"}, "mail-address": {"street1": "ONE 12 PLACE", "street2": "11701 LUNA RD", "city": "DALLAS", "state": "TX", "zip": "75234"}}
1

    AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON AUGUST 15, 2000

                                                  REGISTRATION NO. 333-_________

================================================================================

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                 ---------------

                                    FORM S-8
                             REGISTRATION STATEMENT
                                      Under
                           The Securities Act of 1933

                                 ---------------

                              i2 TECHNOLOGIES, INC.
             (Exact name of registrant as specified in its charter)

          DELAWARE                                         75-2294945
  (State or other jurisdiction                 (IRS Employer Identification No.)
of incorporation or organization)

                                  ONE i2 PLACE
                                 11701 LUNA ROAD
                               DALLAS, TEXAS 75234
               (Address of principal executive offices) (Zip Code)

           ASPECT DEVELOPMENT, INC. 1996 EMPLOYEE STOCK PURCHASE PLAN
                            (Full title of the Plan)

                                 ---------------

                               WILLIAM M. BEECHER
              EXECUTIVE VICE PRESIDENT AND CHIEF FINANCIAL OFFICER
                              i2 TECHNOLOGIES, INC.
                                  ONE i2 PLACE
                                 11701 LUNA ROAD
                               DALLAS, TEXAS 75234
                                 (469) 357-1000

            (Name, address including zip code, and telephone number,
                   including area code, of agent for service)

                         CALCULATION OF REGISTRATION FEE
====================================================================================================================================
                                                                    Proposed Maximum        Proposed Maximum
            Title of Securities                 Amount to be         Offering Price            Aggregate               Amount of
              to be Registered                  Registered(1)         per Share(2)         Offering Price(2)        Registration Fee
            --------------------                ----------          ----------------       -----------------        ----------------
Aspect Development, Inc. 1996 Employee
     Stock Purchase Plan

     Common Stock, $0.00025 par value          220,000 shares           $117.53              $25,856,600.00            $6,826.14
(1)      This Registration Statement shall also cover any additional shares of
         Common Stock which become issuable under the Aspect Development, Inc.
         1996 Employee Stock Purchase Plan by reason of any stock dividend,
         stock split, recapitalization or other similar transaction effected
         without the receipt of consideration which results in an increase in
         the number of the outstanding shares of the Registrant's Common Stock.

(2)      Calculated solely for purposes of this offering under Rule 457(h) of
         the Securities Act of 1933, as amended, on the basis of the weighted
         average exercise price of the outstanding options.
2

                                     PART II

               INFORMATION REQUIRED IN THE REGISTRATION STATEMENT

Item 3.  Incorporation of Documents by Reference

         i2 Technologies, Inc. (the "Registrant") hereby incorporates by
reference into this Registration Statement the following documents previously
filed with the Securities and Exchange Commission (the "SEC"):

         (a)      The Registrant's Annual Report on Form 10-K for the fiscal
                  year ended December 31, 1999, filed with the SEC on March 22,
                  2000, pursuant to Section 13 of the Securities Exchange Act of
                  1934, as amended (the "1934 Act");

         (b)      The Registrant's Quarterly Reports on Form 10-Q for the fiscal
                  quarters ended March 31, 2000 and June 30, 2000, filed with
                  the SEC on May 15, 2000 and August 14, 2000, respectively;

         (c)      The Registrant's Current Reports on Form 8-K dated January 19,
                  2000, March 13, 2000, March 27, 2000, April 18, 2000, April
                  28, 2000, and June 9, 2000 filed with the SEC on January 21,
                  2000, March 14, 2000 (as amended Form 8-K/A filed with the SEC
                  on March 17, 2000), April 11, 2000 (as amended on Form 8-K/A
                  filed with the SEC on June 1, 2000), April 19, 2000, May 12,
                  2000 and June 22, 2000, respectively; and

         (d)      The Registrant's Registration Statement No. 00-28030 on Form
                  8-A filed with the SEC on March 20, 1996 pursuant to Section
                  12 of the 1934 Act, in which there is described the terms,
                  rights and provisions applicable to the Registrant's
                  outstanding Common Stock.

         All reports and definitive proxy or information statements filed
pursuant to Section 13(a), 13(c), 14 or 15(d) of the 1934 Act after the date of
this Registration Statement and prior to the filing of a post-effective
amendment which indicates that all securities offered hereby have been sold or
which deregisters all securities then remaining unsold shall be deemed to be
incorporated by reference into this Registration Statement and to be a part
hereof from the date of filing of such documents. Any statement contained in a
document incorporated or deemed to be incorporated by reference herein shall be
deemed to be modified or superseded for purposes of this Registration Statement
to the extent that a statement contained herein or in any subsequently filed
document which also is deemed to be incorporated by reference herein modifies or
supersedes such statement. Any such statement so modified or superseded shall
not be deemed, except as so modified or superseded, to constitute a part of this
Registration Statement.

Item 4.  Description of Securities

         Not Applicable.

Item 5.  Interests of Named Experts and Counsel

         Not Applicable.

Item 6.  Indemnification of Directors and Officers

         Subsection (a) of Section 145 of the General Corporation Law of the
State of Delaware empowers a corporation to indemnify any person who was or is a
party or is threatened to be made a party to any threatened, pending or
completed action, suit or proceeding whether civil, criminal, administrative or
investigative (other than an action by or in the right of the corporation) by
reason of the fact that he is or was a director, officer, employee or agent of
the corporation, or is or was serving at the request of the corporation as a
director, officer, employee or agent of another corporation, partnership, joint
venture, trust or other enterprise, against expenses (including attorneys'
fees), judgments, fines and amounts paid in settlement actually and reasonably
incurred by him in connection with such action, suit or proceeding if he acted
in good faith and in a manner he reasonably believed to

                                      II-1
3

be in or not opposed to the best interests of the corporation, and, with respect
to any criminal action or proceeding, had no reasonable cause to believe his
conduct was unlawful.

         Subsection (b) of Section 145 empowers a corporation to indemnify any
person who was or is a party or is threatened to be made a party to any
threatened, pending or completed action or suit by right of the corporation to
procure a judgment in its favor by reason of the fact that such person acted in
any of the capacities set forth above, against expenses (including attorneys'
fees) actually and reasonably incurred by him in connection with the defense or
settlement of such action or suit if he acted in good faith and in a manner he
reasonably believed to be in or not opposed to the best interests of the
corporation, except that no indemnification may be made in respect to any claim
issue or matter as to which such person shall have been adjudged to be liable to
the corporation unless and only to the extent that the Court of Chancery or the
court in which such action or suit was brought shall determine upon application
that, despite the adjudication of liability but in view of all the circumstances
of the case, such person is fairly and reasonably entitled to indemnity for such
expenses which the Court of Chancery or such other court shall deem proper.

         Section 145 further provides that to the extent a director or officer
of a corporation has been successful on the merits or otherwise in the defense
of any such action, suit or proceeding referred to in subsections (a) and (b) of
Section 145 or in the defense of any claim, issue or matter therein, he shall be
indemnified against expenses (including attorneys' fees) actually and reasonably
incurred by him in connection therewith; that the indemnification provided for
by Section 145 shall not be deemed exclusive of any other rights which the
indemnified party may be entitled; that indemnification provided by Section 145
shall, unless otherwise provided when authorized or ratified, continue as to a
person who has ceased to be a director, officer, employee or agent and shall
inure to the benefit of such person's heirs, executors and administrators; and
empowers the corporation to purchase and maintain insurance on behalf of a
director or officer of the corporation against any liability asserted against
him and incurred by him in any such capacity, or arising out of his status as
such, whether or not the corporation would have the power to indemnify him
against such liabilities under Section 145.

         Section 102(b)(7) of the General Corporation Law or the State of
Delaware provides that a certificate of incorporation may contain a provision
eliminating or limiting the personal liability of a director to the corporation
or its stockholders for monetary damages for breach of fiduciary duty as a
director, provided that such provision shall not eliminate or limit the
liability of the director (i) for any breach of the director's duty of loyalty
to the corporation or its stockholders, (ii) for acts or omissions not in good
faith or which involve intentional misconduct or a knowing violation of law,
(iii) under Section 174 of the Delaware General Corporation Law, or (iv) for any
transaction from which the director derived an improper personal benefit.

         Article Eleventh of the Registrant's Restated Certificate of
Incorporation provides that, to the fullest extent permitted by the Delaware
General Corporation Law as the same exists or as it may hereafter be amended, no
director of the Registrant shall be personally liable to the Registrant or its
stockholders for monetary damages for breach of fiduciary duty as a director.

         Section 6.1 of the Registrant's Amended and Restated Bylaws further
provides that the Registrant shall, to the maximum extent and in the manner
permitted by the General Corporation Law of Delaware, indemnify each of its
directors and officers against expenses (including attorneys' fees), judgments,
fines, settlements, and other amounts actually and reasonably incurred in
connection with any proceeding, arising by reason of the fact that such person
is or was an agent of the Registrant. The Registrant has entered into
indemnification agreements with each of its directors and executive officers.
The Registrant maintains officers' and directors' liability insurance.

Item 7.  Exemption from Registration Claimed

         Not Applicable.

                                      II-2
4

Item 8.  Exhibits

           Number     Exhibit

             4        Instruments Defining the Rights of Stockholders. Reference
                      is made to Registrant's Registration Statement No.
                      00-28030 on Form 8-A which is incorporated herein by
                      reference pursuant to Item 3(d).

             5        Opinion and Consent of Brobeck, Phleger & Harrison LLP.

             23.1     Consent of Arthur Andersen LLP, Independent Public
                      Accountants.

             23.2     Consent of Brobeck, Phleger & Harrison LLP is contained in
                      Exhibit 5.

             24       Power of Attorney. Reference is made to page II-4 of this
                      Registration Statement.

             99.1*    Aspect Development, Inc. 1996 Employee Stock Purchase Plan

         *   Exhibit 99.1 is incorporated herein by reference to Exhibit 99.5 of
             Registrant's Registration Statement No. 333-40038 on Form S-8 filed
             with the SEC on June 23, 2000.

Item 9.  Undertakings

         A. The undersigned Registrant hereby undertakes: (1) to file, during
any period in which offers or sales are being made, a post-effective amendment
to this Registration Statement (i) to include any prospectus required by Section
10(a)(3) of the 1933 Act, (ii) to reflect in the prospectus any facts or events
arising after the effective date of this Registration Statement (or the most
recent post-effective amendment thereof) which, individually or in the
aggregate, represent a fundamental change in the information set forth in this
Registration Statement and (iii) to include any material information with
respect to the plan of distribution not previously disclosed in this
Registration Statement or any material change to such information in this
Registration Statement; provided, however, that clauses (1)(i) and (1)(ii) shall
not apply if the information required to be included in a post-effective
amendment by those paragraphs is contained in periodic reports filed by the
Registrant pursuant to Section 13 or Section 15(d) of the 1934 Act that are
incorporated by reference into this Registration Statement; (2) that for the
purpose of determining any liability under the 1933 Act each such post-effective
amendment shall be deemed to be a new registration statement relating to the
securities offered therein and the offering of such securities at that time
shall be deemed to be the initial bona fide offering thereof; and (3) to remove
from registration by means of a post-effective amendment any of the securities
Development, Inc. 1996 Employee Stock Purchase Plan.

         B. The undersigned Registrant hereby undertakes that, for purposes of
determining any liability under the 1933 Act, each filing of the Registrant's
annual report pursuant to Section 13(a) or Section 15(d) of the 1934 Act that is
incorporated by reference into this Registration Statement shall be deemed to be
a new registration statement relating to the securities offered therein, and the
offering of such securities at that time shall be deemed to be the initial bona
fide offering thereof.

         C. Insofar as indemnification for liabilities arising under the 1933
Act may be permitted to directors, officers, or controlling persons of the
Registrant pursuant to the indemnification provisions summarized above in item
6, or otherwise, the Registrant has been advised that, in the opinion of the
SEC, such indemnification is against public policy as expressed in the 1933 Act,
and is, therefore, unenforceable. In the event that a claim for indemnification
against such liabilities (other than the payment by the Registrant of expenses
incurred or paid by a director, officer, or controlling person of the Registrant
in the successful defense of any action, suit, or proceeding) is asserted by
such director, officer, or controlling person in connection with the securities
being registered, the Registrant will, unless in the opinion of its counsel the
matter has been settled by controlling precedent, submit to a court of
appropriate jurisdiction the question whether such indemnification by it is
against public policy as expressed in the 1933 Act and will be governed by the
final adjudication of such issue.

                                      II-3
5

                                   SIGNATURES

         Pursuant to the requirements of the Securities Act of 1933, as amended,
the Registrant certifies that it has reasonable grounds to believe that it meets
all of the requirements for filing on Form S-8, and has duly caused this
Registration Statement to be signed on its behalf by the undersigned, thereunto
duly authorized, in the City of Dallas, State of Texas on this 15th day of
August 2000.

                                     i2 TECHNOLOGIES, INC.

                                     By: /s/ WILLIAM M. BEECHER
                                        ----------------------------------------
                                        William M. Beecher
                                        Executive Vice President and
                                          Chief Financial Officer

                                POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS:

         That the undersigned officers and directors of i2 Technologies, Inc., a
Delaware corporation, do hereby constitute and appoint Sanjiv S. Sidhu and
William M. Beecher and each of them, the lawful attorneys-in-fact and agents
with full power and authority to do any and all acts and things and to execute
any and all instruments which said attorneys and agents, and any one of them,
determine may be necessary or advisable or required to enable said corporation
to comply with the Securities Act of 1933, as amended, and any rules or
regulations or requirements of the Securities and Exchange Commission in
connection with this Registration Statement. Without limiting the generality of
the foregoing power and authority, the powers granted include the power and
authority to sign the names of the undersigned officers and directors in the
capacities indicated below to this Registration Statement, to any and all
amendments, both pre-effective and post-effective, and supplements to this
Registration Statement, and to any and all instruments or documents filed as
part of or in conjunction with this Registration Statement or amendments or
supplements thereof, and each of the undersigned hereby ratifies and confirms
that all said attorneys and agents, or any one of them, shall do or cause to be
done by virtue hereof. This Power of Attorney may be signed in several
counterparts.

         IN WITNESS WHEREOF, each of the undersigned has executed this Power of
Attorney as of the date indicated.

         Pursuant to the requirements of the Securities Act of 1933, as amended,
this Registration Statement has been signed below by the following persons in
the capacities and on the dates indicated.
Signature                                   Title                                               Date
---------                                   -----                                               ----
/s/ SANJIV S. SIDHU                         Chairman of the Board and Chief Executive Officer
---------------------------------------     (Principal Executive Officer)                       August 15, 2000
Sanjiv S. Sidhu

/s/ WILLIAM M. BEECHER                      Executive Vice President and Chief Financial
---------------------------------------     Officer (Principal Financial Officer)               August 15, 2000
William M. Beecher

/s/ NANCY F. BRIGHAM
---------------------------------------
Nancy F. Brigham                            Controller (Principal Accounting Officer)           August 15, 2000
II-4
6
/s/ SANDEEP R. TUNGARE
---------------------------------------
Sandeep R. Tungare                          Director                                            August 15, 2000

/s/ HARVEY B. CASH
---------------------------------------
Harvey B. Cash                              Director                                            August 15, 2000

---------------------------------------
Thomas J. Meredith                          Director
II-5
7

                       SECURITIES AND EXCHANGE COMMISSION

                                WASHINGTON, D.C.

                                    EXHIBITS

                                       TO

                                    FORM S-8

                                      UNDER

                             SECURITIES ACT OF 1933

                              i2 TECHNOLOGIES, INC.
8

                                  EXHIBIT INDEX
EXHIBIT
           NUMBER      DESCRIPTION
          --------     -----------
4        Instruments Defining the Rights of Stockholders. Reference
                      is made to Registrant's Registration Statement No.
                      00-28030 on Form 8-A which is incorporated herein by
                      reference pursuant to Item 3(d).

             5        Opinion and Consent of Brobeck, Phleger & Harrison LLP.

             23.1     Consent of Arthur Andersen LLP, Independent Public
                      Accountants.

             23.2     Consent of Brobeck, Phleger & Harrison LLP is contained in
                      Exhibit 5.

             24       Power of Attorney. Reference is made to page II-4 of this
                      Registration Statement.

             99.1*    Aspect Development, Inc. 1996 Employee Stock Purchase Plan
*   Exhibit 99.1 is incorporated herein by reference to Exhibit 99.5 of
             Registrant's Registration Statement No. 333-40038 on Form S-8 filed
             with the SEC on June 23, 2000.