The best replacement for as2 is van.

The best alternatives to as2 are rated as following:
★★★★★  van
★★★★★  as3
★★★★  sftp
★★★  as5
★★★  edi
★★  as4
★  as1
★  oftp2
  x400
  ebxml
  as3 flash

Your alternative for as2 is not listed? Suggest!
Speaking about as2, one probably shouldn't forget about as3.

Other search terms related to as2 and their ratings are:
★★★★★ as3
★★ amfphp
You have in mind a companion for as2 and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of as2 in all years. Click on graph for more.
as2
van
as3