The best replacement for aptana is dreamweaver.

The best alternatives to aptana are rated as following:
★★★★★  dreamweaver
★★★★  eclipse
★★★  netbeans
★★  sublime
★★  rubymine
★★  eclipse python
★★  komodo
★  phpstorm
★  sublime text
★  coda
★  eclipse php
★  netbeans php
★  zend studio
★  kompozer
  zend
  sublime text 2
  pydev
  pycharm
  pdt
  notepad++
  webstorm
  titanium studio
  jsdt

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

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



Google Trends

Scale is based on the average worldwide traffic of aptana in all years. Click on graph for more.
aptana
dreamweaver
eclipse