The best replacement for json is xml.

The best alternatives to json are rated as following:
★★★★★  xml
★★★  soap
★★★  jsonp
★★★  yaml
★★  ajax
★  rest
★  csv
★  xml performance
★  simplejson
★  bson
★  json
★  protobuf
  gson
  xml faster
  xml which is better
  xml iphone
  sqlite
  protocol buffers
  pickle
  atom
  json_pure
  xml speed
  xml ajax
  avro
  dwr
  xml java
  xml benchmark

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

Other search terms related to json and their ratings are:
★★★★★ jquery
★★★★ ajax
★★★ php
★★ javascript
★ eval
★ binary data
dojo
rest
using eval
wcf
You have in mind a companion for json and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of json in all years. Click on graph for more.
json
xml
soap