The best replacement for ws is jax rpc.

The best alternatives to ws are rated as following:
★★★★★  jax rpc
★★★★  rest
★★★  fs
★★★  socket.io
★★★  jax-rs
★★★  wss
★★  rs knitting
★★  ga
★★  lm
★★  effective ws
★★  axis2
★★  cxf
★  wcf
★  jax-rpc
★  websocket-node
★  jaxb
★  jax ws
★  p5wd2 e
  apexi n1
  rpc
  wg
  wt fiesta
  axis 2

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

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



Google Trends

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ws
jax rpc
rest