The best replacement for 5.2 is 5.9.

The best alternatives to 5.2 are rated as following:
★★★★★  5.9
★★★★★  4.7
★★★★  7.2
★★★  4.0
★★  4.7 jeep
★★  5.9 dodge
★★  5.3
★  5.9 magnum
★  5.1
★  4.7 dakota
★  5.3 php
  5.9 grand cherokee
  aix 5.3
  2013 trek madone 5.2
  4.7 grand cherokee
  5.3 performance
  domane 5.2

Your alternative for 5.2 is not listed? Suggest!
Speaking about 5.2, one probably shouldn't forget about apache 2.4.

Other search terms related to 5.2 and their ratings are:
★★★★★ apache 2.4
★★ xampp
You have in mind a companion for 5.2 and it is not yet here? Propose!



Google Trends

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5.2
5.9
4.7