<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2004-09-01</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001118480</issuerCik>
        <issuerName>E CITYSOFTWARE INC</issuerName>
        <issuerTradingSymbol>ECTY</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001237315</rptOwnerCik>
            <rptOwnerName>CYBER DEFENSE SYSTEMS INC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>7711 MILITARY TRAIL NORTH</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PALM BEACH GARDENS</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33410</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>COMMON STOCK</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>40000001</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <remarks>On September 1, 2004, the entity (On Alert Systems, Inc., a Nevada corporation) which was previous Owner/Reporting Person of the 40,000,001 shares of Common Stock of E-City Software, Inc., which are the subject of this filing, was merged into Cyber Defense Systems, Inc., which is a Florida corporation, in a change of domicile merger, in which Cyber Defense Systems, Inc. was the surviving entity.

Thus, as a result of this change of domicile merger, by operation of law Cyber Defense Systems, Inc., became the owner of the 40,000,001 shares of Common Stock of E-City Software, Inc. which are the subject of this filings.

Consequently, as a &quot;successor by operation of law&quot; Reporting Person. Cyber Defense Systems, Inc. has filed this Form 3.</remarks>

    <ownerSignature>
        <signatureName>/s/ WILLIAM C ROBINSON  CEO  CYBER DEFENSE SYSTEMS INC</signatureName>
        <signatureDate>2004-09-03</signatureDate>
    </ownerSignature>
</ownershipDocument>

