The best replacement for 11g is 11n.

The best alternatives to 11g are rated as following:
★★★★★  11n
★★★★★  10g
★★★★  11b
★★★★  11i
★★  11n wireless
★★  10g oracle
★★  9i
★★  11a
★★  12c
★  10g database
★  sql server 2008
★  exadata
★  sql server 2012
★  obiee 10g
  db2
  oracle 10g
  12g dell
  sql server 2005
  802.11b
  10g comparison

Your alternative for 11g is not listed? Suggest!
Speaking about 11g, one probably shouldn't forget about essbase.

Other search terms related to 11g and their ratings are:
★★★★★ essbase
★★★★ sql developer
★★ ebs
★★ apex
★ oracle http server
★ 11i
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11n
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