-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 PtUXL9qdFQhlj2FDTu2jVXTtsI4SJDNioI6vH6Ht+opwT76nCB8+JumMD/fNZenq
 VcT/WMdJOB8dEDXdvEwWIw==

<SEC-DOCUMENT>0001072613-05-002362.txt : 20051017
<SEC-HEADER>0001072613-05-002362.hdr.sgml : 20051017
<ACCEPTANCE-DATETIME>20051017145852
ACCESSION NUMBER:		0001072613-05-002362
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050928
FILED AS OF DATE:		20051017
DATE AS OF CHANGE:		20051017

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARTISOFT INC
		CENTRAL INDEX KEY:			0000877931
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				860446453
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		5 CAMBRIDGE CENTER
		STREET 2:		3RD FLOOR
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142
		BUSINESS PHONE:		6173540600

	MAIL ADDRESS:	
		STREET 1:		5 CAMBRIDGE CENTER
		STREET 2:		3RD FLOOR
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			M/C Venture Partners V, L.P.
		CENTRAL INDEX KEY:			0001297712

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19462
		FILM NUMBER:		051140809

	BUSINESS ADDRESS:	
		STREET 1:		75 STATE STREET, SUITE 2500
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109
		BUSINESS PHONE:		617-345-7234

	MAIL ADDRESS:	
		STREET 1:		75 STATE STREET, SUITE 2500
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			M/C VP V, LLC
		CENTRAL INDEX KEY:			0001297713

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19462
		FILM NUMBER:		051140808

	BUSINESS ADDRESS:	
		STREET 1:		75 STATE STREET, SUITE 2500
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109
		BUSINESS PHONE:		(617) 345-7200

	MAIL ADDRESS:	
		STREET 1:		75 STATE STREET, SUITE 2500
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Chestnut Street Partners Inc
		CENTRAL INDEX KEY:			0001305169
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19462
		FILM NUMBER:		051140805

	BUSINESS ADDRESS:	
		STREET 1:		75 STATE STREET, SUITE 2500
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109
		BUSINESS PHONE:		617-345-7234

	MAIL ADDRESS:	
		STREET 1:		75 STATE STREET, SUITE 2500
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Chestnut Venture Partners LP
		CENTRAL INDEX KEY:			0001305228
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19462
		FILM NUMBER:		051140806

	BUSINESS ADDRESS:	
		STREET 1:		75 STATE STREET, SUITE 2500
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109
		BUSINESS PHONE:		617-345-7234

	MAIL ADDRESS:	
		STREET 1:		75 STATE STREET, SUITE 2500
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			M/C Venture Investors LLC
		CENTRAL INDEX KEY:			0001305476
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19462
		FILM NUMBER:		051140807

	BUSINESS ADDRESS:	
		STREET 1:		75 STATE STREET, SUITE 2500
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109
		BUSINESS PHONE:		617-345-7234

	MAIL ADDRESS:	
		STREET 1:		75 STATE STREET, SUITE 2500
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>pro_13863ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2005-09-28</periodOfReport>

    <dateOfOriginalSubmission>2005-09-30</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000877931</issuerCik>
        <issuerName>ARTISOFT INC</issuerName>
        <issuerTradingSymbol>ASFT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001297712</rptOwnerCik>
            <rptOwnerName>M/C Venture Partners V, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>75 STATE STREET, SUITE 2500</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02109</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001297713</rptOwnerCik>
            <rptOwnerName>M/C VP V, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>75 STATE STREET, SUITE 2500</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02109</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Joint Filer</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001305476</rptOwnerCik>
            <rptOwnerName>M/C Venture Investors LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>75 STATE STREET, SUITE 2500</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02109</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Joint Filer</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001305228</rptOwnerCik>
            <rptOwnerName>Chestnut Venture Partners LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>75 STATE STREET, SUITE 2500</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02109</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Joint Filer</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001305169</rptOwnerCik>
            <rptOwnerName>Chestnut Street Partners Inc</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>75 STATE STREET, SUITE 2500</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02109</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Joint Filer</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Common Stock Warrant (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.01</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-09-28</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>34156</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.1386</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2015-09-28</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>34156</value>
                    <footnoteId id="F4"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>34156</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Securities held of record by Chestnut Venture Partners, L.P. By virtue of their relationship as affiliated investment
entities whose sole general partners or managing members share individual general partners, M/C Venture Partners V, L.P. and
M/C Venture Investors, LLC may be deemed members of a &quot;group&quot; with Chestnut Venture Partners, L.P. for purposes of Section
13(d) of the Exchange Act and to beneficially own the shares held of record by Chestnut Venture Partners, L.P. Chestnut
Street Partners, Inc. (as the general partner of Chestnut Venture Partners, L.P.) and M/C VP V, LLC (as the general partner
of M/C Venture Partners V, L.P.) may be deemed to beneficially own the shares held of record by Chestnut Venture Partners,
L.P.</footnote>
        <footnote id="F2">The reporting persons disclaim beneficial ownership of such securities except to the extent of their pecuniary interest
therein, if any, and the reporting herein of such securities shall not be construed as an admission of beneficial ownership
thereof for purposes of Section 16 or for any other purpose</footnote>
        <footnote id="F3">Upon the filing by the Company of an amendment to its Certificate of Incorporation to increase the number of authorized
shares of Common Stock, this warrant shall be automatically exercised, without any further action on the part of the holder,
in a cashless exercise.</footnote>
        <footnote id="F4">The number of shares of Common Stock underlying the warrant issued to Chestnut Venture Partners, L.P. reflected in column 7
was mistakenly transcribed from the original signed version to the electronically filed version as 15,579. The original
signed version reflected 34,156 shares of Common Stock underlying the warrant.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ John P. Ward</signatureName>
        <signatureDate>2005-10-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----