<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>ex24_15235.txt
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
                                                                      EXHIBIT 24
                                                                      ----------

                                POWER OF ATTORNEY

KNOW ALL BY THESE PRESENTS, that the person whose signature appears below hereby
revokes all powers of attorney relating to the following matters and constitutes
and appoints Thomas Massie, Gary Cebula and Daniel Guimond, and any one of them
acting singly, the true and lawful attorneys-in-fact and agents, with full power
of substitution and resubstitution, for the undersigned and in the undersigned's
name, place and stead, in any and all capacities (until revoked in writing) to
sign any and all instruments, certificates and documents required to be executed
on behalf of the undersigned in the undersigned's capacity as an officer and/or
director of Bridgeline Software, Inc., pursuant to sections 13 and 16 of the
Securities Exchange Act of 1934, as amended (the "Exchange Act"), and any and
all regulations promulgated thereunder, and to file the same, with all exhibits
thereto, and any other documents in connection therewith, with the Securities
and Exchange Commission, and with any other entity when and if such is mandated
by the Exchange Act or by the Nasdaq Capital Market Rules or the Boston Stock
Exchange rules, granting unto said attorneys-in-fact and agents full power and
authority to do and perform each and every act and thing requisite and necessary
fully to all intents and purposes as the undersigned might or could do in person
thereby ratifying and confirming all that said attorneys-in-fact and agents, or
their substitute or substitutes, may lawfully do or cause to be done by virtue
hereof.

IN WITNESS WHEREOF, this Power of Attorney has been signed as of June 28, 2007.

Signature:   /s/ Thomas Massie
             -----------------------------
Name:        Thomas Massie
</TEXT>
</DOCUMENT>
