<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM ALLAIRE CORPORATION FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <CURRENCY> U.S. <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JAN-01-2000 <PERIOD-END> JUN-30-2000 <EXCHANGE-RATE> 1 <CASH> 44,583 <SECURITIES> 89,951 <RECEIVABLES> 16,801 <ALLOWANCES> (998) <INVENTORY> 435 <CURRENT-ASSETS> 151,916 <PP&E> 15,688 <DEPRECIATION> (6,975) <TOTAL-ASSETS> 167,945 <CURRENT-LIABILITIES> 52,310 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 273 <OTHER-SE> 115,089 <TOTAL-LIABILITY-AND-EQUITY> 167,945 <SALES> 50,806 <TOTAL-REVENUES> 59,925 <CGS> 2,520 <TOTAL-COSTS> 11,877 <OTHER-EXPENSES> 47,678 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 76 <INCOME-PRETAX> 3,701 <INCOME-TAX> 925 <INCOME-CONTINUING> 2,776 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 2,776 <EPS-BASIC> 0.10 <EPS-DILUTED> 0.09