HighWire Press has a great listing of open access journals:

http://highwire.stanford.edu/lists/freeart.dtl

barb dietsch | serials coordinator
epa library | unc contract staff
109 alexander drive | mail code c267-01
research triangle park, nc 27711
phone: 919.541.0726
fax: 919.541.1405
dietsch.barbara@epa.gov

             Linda Grooms
             <lgrooms@STETSON
             .EDU>                                                   To
             Sent by:                 SERIALST@LIST.UVM.EDU
             "SERIALST:                                              cc
             Serials in
             Libraries                                          Subject
             Discussion               [SERIALST]
             Forum"
             <SERIALST@LIST.U
             VM.EDU>

             10/25/2007 11:11
             AM

              Please respond
                    to
                "SERIALST:
                Serials in
                Libraries
                Discussion
                  Forum"
             <SERIALST@LIST.U
                 VM.EDU>

Can anyone point me to a list of publishers who make electronic access
to their journals freely available after a set time period?

TIA

Linda Grooms
Periodicals Supervisor
duPont-Ball Library
Stetson University