The best replacement for asmx is wcf.

The best alternatives to asmx are rated as following:
★★★★★  wcf
★★★★  aspx
★★★★  wsdl
★★★★  ashx
★★  wcf performance
★★  web api
★★  svc
★  wcf service
★  wse
★  wcf web services
  wcf net
  .svc

Your alternative for asmx is not listed? Suggest!


No companions for asmx have been suggested so far.
You have in mind a companion for asmx and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of asmx in all years. Click on graph for more.
asmx
wcf
aspx