The best replacement for openjdk is oracle.

The best alternatives to openjdk are rated as following:
★★★★★  oracle
★★★  jre
★★★  gcj
★★★  sun jdk
★★  iced tea
★★  java se
★★  oracle minecraft
★★  sun
★★  jdk
★★  sun java
★★  oracle jre
★  harmony
★  oracle jdk
★  oracle ubuntu
★  oracle java 7
  hotspot
  sun jdk ubuntu
  icedtea

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

Other search terms related to openjdk and their ratings are:
★★★★★ netbeans
★ glassfish
You have in mind a companion for openjdk and it is not yet here? Propose!



Google Trends

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openjdk
oracle
jre