WebSphere Application Server 6.0 – WAS
IBM’s implementering af J2EE – understøtter J2EE 1.2, J2EE 1.3 og J2EE 1.4
WebSphere Application Server 6.1 – WAS
IBM’s lidt nyere implementering af J2EE – undestøtter J2EE 1.4, J2EE 1.3 og J2EE 1.2
WebSphere Process Server 6.0 – WPS
WAS-baseret sevrer, der håndtere forretningsflows og orkestrering.