content: <PAGE>
  
                         SECURITIES AND EXCHANGE COMMISSION
  
                               Washington, D.C. 20549
  
                                      FORM 8-K
  
                              Current Report Pursuant
  
                           to Section 13 or 15(d) of the
  
                          Securities Exchange Act of 1934
  
       Date of Report (Date of earliest event reported)      May 23, 2000
                                                        -------------------------
  
                                   COBALT NETWORKS, INC.
  --------------------------------------------------------------------------------
             (Exact Name of the Registrant as Specified in Its Charter)
  
                                     Delaware
  --------------------------------------------------------------------------------
                   (State or Other Jurisdiction of Incorporation)
  
         000-24360                                      77-0440751
  -----------------------                    ------------------------------
  (Commission File Number)                 (I.R.S. Employer Identification No.)
  
    555 Ellis Street, Mountain View, California                    94043
  --------------------------------------------------------------------------------
    (Address of Principal Executive Offices)                    (Zip Code)
  
                                  (650) 623-2500
  --------------------------------------------------------------------------------
                (Registrant's Telephone Number, Including Area Code)
  
                                        N/A
  --------------------------------------------------------------------------------
           (Former Name or Former Address, if Changed Since Last Report)
  <PAGE>
  
       ITEM 2.   ACQUISITION OR DISPOSITION OF ASSETS
  
       On May 23, 2000, Cobalt Networks, Inc., a Delaware corporation ("Cobalt")
  completed its acquisition of Chili!Soft, Inc., a California corporation
  ("Chili!Soft").  Chili!Soft is a privately-held provider of software solutions
  for platform-independent active server pages.  In the acquisition, a wholly
  owned subsidiary of Cobalt merged with and into Chili!Soft, Chili!Soft became a
  wholly owned subsidiary of Cobalt and the former shareholders of Chili!Soft
  received an aggregate of 1,150,000 shares of Cobalt Common Stock in exchange for
  all outstanding shares of Chili!Soft and options to purchase Chili!Soft Common
  Stock at the rate of 0.0791477 shares of Cobalt Common Stock for each share of
  Chili!Soft Common Stock, 0.1067060 shares of Cobalt Common Stock for each share
  of Chili!Soft Series A Preferred Stock and 0.1576077 shares of Cobalt Common
  Stock for each share of Chili!Soft Series B Preferred Stock (the "Merger"). The
  Merger will be accounted for under the purchase method of accounting. The amount
  of the consideration issued to the former shareholders and option holders of
  Chili!Soft was determined by arms-length negotiation between the parties.
  115,000 of the shares issued in the Merger are being held in escrow to secure
  certain indemnification and other rights that Cobalt has under the merger
  agreement.
  
       An aggregate of approximately 1,115,000 shares of Cobalt Common Stock were
  issuable pursuant to the Merger, including shares of Cobalt Common Stock
  issuable in connection with the exercise of options to purchase Chili!Soft
  Common Stock that Cobalt assumed in connection with the Merger. Cobalt will pay
  the former shareholders cash in lieu of fractional shares that would otherwise
  be issued in the Merger. The shares of Cobalt Common Stock received by the
  former shareholders of Chili!Soft as a result of the Merger were issued in
  reliance on an exemption from registration pursuant to Section 3(a)(10) under
  the Securities Act of 1933, as amended (the "Securities Act"). As a result,
  shares of Cobalt Common Stock issued in connection with the Merger to affiliates
  of Chili!Soft are subject to restrictions on transfer under Rule 145 of the
  Securities Act and carry a legend reflecting such restrictions. Shares of Cobalt
  Common Stock to be issued to former Chili!Soft optionees upon exercise of
  options assumed by Cobalt are subject to a registration statement on Form S-8
  which will be filed by Cobalt with the Securities and Exchange Commission
  shortly.
  
       The foregoing summary of certain principal terms of the Merger and the
  Agreement and Plan of Reorganization dated March 22, 2000 (the "Agreement") by
  and between Cobalt, Blue Tortilla Acquisition Corp., a California corporation
  and wholly owned subsidiary of Cobalt, and Chili!Soft does not purport to be
  complete and is qualified in its entirety by reference to the Agreement.  A copy
  of the Agreement and the exhibits thereto are attached as exhibits to this
  Current Report on Form 8-K and are hereby incorporated by reference herein.
  
       A copy of the press releases announcing the signing of the Agreement and
  the completion of the Merger are attached as exhibits to this Current Report on
  Form 8-K and are hereby incorporated by reference herein.
  
                                        -2-
  <PAGE>
  
       ITEM 7.  FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION
                AND EXHIBITS
  
       (a)  Financial Statements of Business Acquired.
  
  
            As of the date of filing of this Current Report on Form 8-K, it is
            impracticable for Cobalt to provide the financial statements required
            by this Item 7(a). In accordance with Item 7(a)(4) of Form 8-K, such
            financial statements shall be filed by amendment to this Form 8-K no
            later than August 6, 2000.
  
       (b)  Pro Forma Financial Information.
  
  
            As of the date of filing of this Current Report on Form 8-K, it is
            impracticable for Cobalt to provide the financial statements required
            by this Item 7(b).  In accordance with Item 7(b) of Form 8-K, such
            financial statements shall be filed by amendment to this Form 8-K no
            later than August 6, 2000.
  
  (c)       Exhibits.
  <TABLE>
  <CAPTION>
                     Exhibit No.          Description
                     -----------          -----------
  <S>                <C>
                     2.1         Agreement and Plan of Reorganization, dated March
                                 22, 2000, by and among Cobalt Networks, Inc.,
                                 Blue Tortilla Acquisition Corp. and Chili!Soft,
                                 Inc. (Schedules have been omitted pursuant to
                                 Item 601(b)(2) of Regulation S-K. Cobalt hereby
                                 undertakes to furnish supplementally copies of
                                 any of the omitted schedules upon request by the
                                 Securities and Exchange Commission.)
                     2.1.1       Form of Voting Agreement
  
                     2.1.2       Form of Non-Competition Agreement
  
                     2.1.3       Form of Merger Agreement
  
                     2.1.4       Form of Surviving Company Articles of Incorporation
  
                     2.1.5       Form of Cobalt Lock-up Agreement
  
                     2.1.6       Form of Declaration of Registration Rights
  
                     2.1.7       Form of Affiliate Agreement
  </TABLE>
  
                                        -3-
  <PAGE>
  
  <TABLE>
  <CAPTION>
  Exhibit No.          Description
  -----------          -----------
  <S>                <C>
  2.1.8         Form of Press Release (see Exhibit 99.1)
  
  2.1.9         Form of Bonus Plan
  
  2.1.10        Form of Wilson Sonsini Goodrich & Rosati opinion
  
  2.1.11        Form of Escrow Agreement
  
  2.1.12        Form of Crosby, Heafey, Roach & May opinion
  
  99.1          Press release of Cobalt Networks, Inc. dated
                March 23, 2000 regarding acquisition of
                Chili!Soft, Inc.
  
  99.2          Press release of Cobalt Networks, Inc. dated May
                24, 2000 regarding acquisition of Chili!Soft, Inc.
  
  </TABLE>
  
                                        -4-
  <PAGE>
  
                                     SIGNATURES
  
       Pursuant to the requirements of the Securities Exchange Act of 1934, the
  registrant has duly caused this report to be signed on its behalf by the
  undersigned hereunto duly authorized.
  
       Dated:  June 7, 2000
  
                                      COBALT NETWORKS, INC.
  
                                      By:  /s/ Kenton D. Chow
                                         --------------------------
                                         Kenton D. Chow
                                         Vice President, Finance, Chief Financial
                                         Officer and Secretary
  
                                        -5-
  <PAGE>
  
                               COBALT NETWORKS, INC.
  
                                      FORM 8-K
  
                                 INDEX TO EXHIBITS
  
  
  <TABLE>
  <CAPTION>
           Exhibit
           Number             Description
           -------            -----------
  <C>                         <S>
           2.1                Agreement and Plan of Reorganization, dated March 22, 2000,
                              by and among Cobalt Networks, Inc., Blue Tortilla Acquisition
                              Corp. and Chili!Soft, Inc. (Schedules have been omitted
                              pursuant to Item 601(b)(2) of Regulation S-K.  Cobalt hereby
                              undertakes to furnish supplementally copies of any of the
                              omitted schedules upon request by the Securities and Exchange
                              Commission.)
  
           2.1.1              Form of Voting Agreement
  
           2.1.2              Form of Non-Competition Agreement
  
           2.1.3              Form of Merger Agreement
  
           2.1.4              Form of Surviving Company Articles of Incorporation
  
           2.1.5              Form of Cobalt Lock-up Agreement
  
           2.1.6              Form of Declaration of Registration Rights
  
           2.1.7              Form of Affiliate Agreement
  
           2.1.8              Form of Press Release (see Exhibit 99.1)
  
           2.1.9              Form of Bonus Plan
  
           2.1.10             Form of Wilson Sonsini Goodrich & Rosati opinion
  
           2.1.11             Form of Escrow Agreement
  
           2.1.12             Form of Crosby, Heafey, Roach & May opinion
  
           99.1               Press release of Cobalt Networks, Inc. dated March 23, 2000
                              regarding acquisition of Chili!Soft, Inc.
  
           99.2               Press release of Cobalt Networks, Inc. dated May 24, 2000
                              regarding acquisition of Chili!Soft, Inc.
  </TABLE>
  
                                        -6-
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text: SECURITIES AND EXCHANGE COMMISSION
  
                               Washington, D.C. 20549
  
                                      FORM 8-K
  
                              Current Report Pursuant
  
                           to Section 13 or 15(d) of the
  
                          Securities Exchange Act of 1934
  
       Date of Report (Date of earliest event reported)      May 23, 2000
                                                        -------------------------
  
                                   COBALT NETWORKS, INC.
  --------------------------------------------------------------------------------
             (Exact Name of the Registrant as Specified in Its Charter)
  
                                     Delaware
  --------------------------------------------------------------------------------
                   (State or Other Jurisdiction of Incorporation)
  
         000-24360                                      77-0440751
  -----------------------                    ------------------------------
  (Commission File Number)                 (I.R.S. Employer Identification No.)
  
    555 Ellis Street, Mountain View, California                    94043
  --------------------------------------------------------------------------------
    (Address of Principal Executive Offices)                    (Zip Code)
  
                                  (650) 623-2500
  --------------------------------------------------------------------------------
                (Registrant's Telephone Number, Including Area Code)
  
                                        N/A
  --------------------------------------------------------------------------------
           (Former Name or Former Address, if Changed Since Last Report)
  ITEM 2.   ACQUISITION OR DISPOSITION OF ASSETS
  
       On May 23, 2000, Cobalt Networks, Inc., a Delaware corporation ("Cobalt")
  completed its acquisition of Chili!Soft, Inc., a California corporation
  ("Chili!Soft").  Chili!Soft is a privately-held provider of software solutions
  for platform-independent active server pages.  In the acquisition, a wholly
  owned subsidiary of Cobalt merged with and into Chili!Soft, Chili!Soft became a
  wholly owned subsidiary of Cobalt and the former shareholders of Chili!Soft
  received an aggregate of 1,150,000 shares of Cobalt Common Stock in exchange for
  all outstanding shares of Chili!Soft and options to purchase Chili!Soft Common
  Stock at the rate of 0.0791477 shares of Cobalt Common Stock for each share of
  Chili!Soft Common Stock, 0.1067060 shares of Cobalt Common Stock for each share
  of Chili!Soft Series A Preferred Stock and 0.1576077 shares of Cobalt Common
  Stock for each share of Chili!Soft Series B Preferred Stock (the "Merger"). The
  Merger will be accounted for under the purchase method of accounting. The amount
  of the consideration issued to the former shareholders and option holders of
  Chili!Soft was determined by arms-length negotiation between the parties.
  115,000 of the shares issued in the Merger are being held in escrow to secure
  certain indemnification and other rights that Cobalt has under the merger
  agreement.
  
       An aggregate of approximately 1,115,000 shares of Cobalt Common Stock were
  issuable pursuant to the Merger, including shares of Cobalt Common Stock
  issuable in connection with the exercise of options to purchase Chili!Soft
  Common Stock that Cobalt assumed in connection with the Merger. Cobalt will pay
  the former shareholders cash in lieu of fractional shares that would otherwise
  be issued in the Merger. The shares of Cobalt Common Stock received by the
  former shareholders of Chili!Soft as a result of the Merger were issued in
  reliance on an exemption from registration pursuant to Section 3(a)(10) under
  the Securities Act of 1933, as amended (the "Securities Act"). As a result,
  shares of Cobalt Common Stock issued in connection with the Merger to affiliates
  of Chili!Soft are subject to restrictions on transfer under Rule 145 of the
  Securities Act and carry a legend reflecting such restrictions. Shares of Cobalt
  Common Stock to be issued to former Chili!Soft optionees upon exercise of
  options assumed by Cobalt are subject to a registration statement on Form S-8
  which will be filed by Cobalt with the Securities and Exchange Commission
  shortly.
  
       The foregoing summary of certain principal terms of the Merger and the
  Agreement and Plan of Reorganization dated March 22, 2000 (the "Agreement") by
  and between Cobalt, Blue Tortilla Acquisition Corp., a California corporation
  and wholly owned subsidiary of Cobalt, and Chili!Soft does not purport to be
  complete and is qualified in its entirety by reference to the Agreement.  A copy
  of the Agreement and the exhibits thereto are attached as exhibits to this
  Current Report on Form 8-K and are hereby incorporated by reference herein.
  
       A copy of the press releases announcing the signing of the Agreement and
  the completion of the Merger are attached as exhibits to this Current Report on
  Form 8-K and are hereby incorporated by reference herein.
  
                                        -2-
  ITEM 7.  FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION
                AND EXHIBITS
  
       (a)  Financial Statements of Business Acquired.
  
            As of the date of filing of this Current Report on Form 8-K, it is
            impracticable for Cobalt to provide the financial statements required
            by this Item 7(a). In accordance with Item 7(a)(4) of Form 8-K, such
            financial statements shall be filed by amendment to this Form 8-K no
            later than August 6, 2000.
  
       (b)  Pro Forma Financial Information.
  
            As of the date of filing of this Current Report on Form 8-K, it is
            impracticable for Cobalt to provide the financial statements required
            by this Item 7(b).  In accordance with Item 7(b) of Form 8-K, such
            financial statements shall be filed by amendment to this Form 8-K no
            later than August 6, 2000.
  
  (c)       Exhibits.
  Exhibit No.          Description
                     -----------          -----------
  2.1         Agreement and Plan of Reorganization, dated March
                                 22, 2000, by and among Cobalt Networks, Inc.,
                                 Blue Tortilla Acquisition Corp. and Chili!Soft,
                                 Inc. (Schedules have been omitted pursuant to
                                 Item 601(b)(2) of Regulation S-K. Cobalt hereby
                                 undertakes to furnish supplementally copies of
                                 any of the omitted schedules upon request by the
                                 Securities and Exchange Commission.)
                     2.1.1       Form of Voting Agreement
  
                     2.1.2       Form of Non-Competition Agreement
  
                     2.1.3       Form of Merger Agreement
  
                     2.1.4       Form of Surviving Company Articles of Incorporation
  
                     2.1.5       Form of Cobalt Lock-up Agreement
  
                     2.1.6       Form of Declaration of Registration Rights
  
                     2.1.7       Form of Affiliate Agreement
  -3-
  Exhibit No.          Description
  -----------          -----------
  2.1.8         Form of Press Release (see Exhibit 99.1)
  
  2.1.9         Form of Bonus Plan
  
  2.1.10        Form of Wilson Sonsini Goodrich & Rosati opinion
  
  2.1.11        Form of Escrow Agreement
  
  2.1.12        Form of Crosby, Heafey, Roach & May opinion
  
  99.1          Press release of Cobalt Networks, Inc. dated
                March 23, 2000 regarding acquisition of
                Chili!Soft, Inc.
  
  99.2          Press release of Cobalt Networks, Inc. dated May
                24, 2000 regarding acquisition of Chili!Soft, Inc.
  -4-
  SIGNATURES
  
       Pursuant to the requirements of the Securities Exchange Act of 1934, the
  registrant has duly caused this report to be signed on its behalf by the
  undersigned hereunto duly authorized.
  
       Dated:  June 7, 2000
  
                                      COBALT NETWORKS, INC.
  
                                      By:  /s/ Kenton D. Chow
                                         --------------------------
                                         Kenton D. Chow
                                         Vice President, Finance, Chief Financial
                                         Officer and Secretary
  
                                        -5-
  COBALT NETWORKS, INC.
  
                                      FORM 8-K
  
                                 INDEX TO EXHIBITS
  Exhibit
           Number             Description
           -------            -----------
  2.1                Agreement and Plan of Reorganization, dated March 22, 2000,
                              by and among Cobalt Networks, Inc., Blue Tortilla Acquisition
                              Corp. and Chili!Soft, Inc. (Schedules have been omitted
                              pursuant to Item 601(b)(2) of Regulation S-K.  Cobalt hereby
                              undertakes to furnish supplementally copies of any of the
                              omitted schedules upon request by the Securities and Exchange
                              Commission.)
  
           2.1.1              Form of Voting Agreement
  
           2.1.2              Form of Non-Competition Agreement
  
           2.1.3              Form of Merger Agreement
  
           2.1.4              Form of Surviving Company Articles of Incorporation
  
           2.1.5              Form of Cobalt Lock-up Agreement
  
           2.1.6              Form of Declaration of Registration Rights
  
           2.1.7              Form of Affiliate Agreement
  
           2.1.8              Form of Press Release (see Exhibit 99.1)
  
           2.1.9              Form of Bonus Plan
  
           2.1.10             Form of Wilson Sonsini Goodrich & Rosati opinion
  
           2.1.11             Form of Escrow Agreement
  
           2.1.12             Form of Crosby, Heafey, Roach & May opinion
  
           99.1               Press release of Cobalt Networks, Inc. dated March 23, 2000
                              regarding acquisition of Chili!Soft, Inc.
  
           99.2               Press release of Cobalt Networks, Inc. dated May 24, 2000
                              regarding acquisition of Chili!Soft, Inc.
  -6-