The best replacement for stax is sax.

The best alternatives to stax are rated as following:
★★★★★  sax
★★★★★  motown
★★★★  pringles
★★  jaxb
★★  audeze
★★  grado
★★  dom
★  hd800
★  hifiman
★  jdom
  sax parser
  koss
  hd 800
  xpp3
  xstream

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

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



Google Trends

Scale is based on the average worldwide traffic of stax in all years. Click on graph for more.
stax
sax
motown