The best replacement for dstar is dmr.

The best alternatives to dstar are rated as following:
★★★★★  dmr
★★★★  echolink
★★★  aprs
★★  irlp
★  p25
★  wires

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

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



Google Trends

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dstar
dmr
echolink