In general every company maintains a common server to 
maintain all the deliverables from developement and testing 
for future references ,is called configuration repository
Change and configuration management can be accessed to the 
developement people to save their developement deliverables 
and Visualsourcesafe(VSS) like tool they used for version 
control
Testcasedatabase(TCDB)can be accessed to the testing people 
to store the deliverables like testplan,testcasesdoc,test 
mertrics and other summary reports
Defect repository can be accessed to both testers and 
delopers,for required negotiation between testers and 
developers .Ex:Bugzilla,Ms Excelsheet,Problem reporting 
tool etc.,