The best replacement for websphere is weblogic.

The best alternatives to websphere are rated as following:
★★★★★  weblogic
★★★★  tomcat
★★★★  jboss
★★  sharepoint
★★  .net
★★  iis
★  apache
★  glassfish
★  infosphere
★  webmethods
★  tibco
  biztalk
  jboss application server
  geronimo
  tomcat performance
  atg
  bea

Your alternative for websphere is not listed? Suggest!
Speaking about websphere, one probably shouldn't forget about rad.

Other search terms related to websphere and their ratings are:
★★★★★ rad
★★★ iis
★★ sun jdk
★★ ihs
★★ axis2
★ hibernate
★ struts
★ activemq
You have in mind a companion for websphere and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of websphere in all years. Click on graph for more.
websphere
weblogic
tomcat