The best replacement for aop is oop.

The best alternatives to aop are rated as following:
★★★★★  oop
★★★  aspectj
★★★  aoc
★★★  ioc
★★★  interceptor
★★  sop
★  decorator pattern
★  annotations
★  dependency injection
  decorator
  full aspectj

Your alternative for aop is not listed? Suggest!
Speaking about aop, one probably shouldn't forget about spring example.

Other search terms related to aop and their ratings are:
★★★★★ spring example
guice
You have in mind a companion for aop and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of aop in all years. Click on graph for more.
aop
oop
aspectj