The best replacement for sharkbite is solder.

The best alternatives to sharkbite are rated as following:
★★★★★  solder
★★★  apollo
★★  gator bite
★★  pex
★★  compression
★★  gator
★  blue hawk
★  gatorbite
★  tectite
★  compression fittings
★  apollo pex
★  wirsbo
  probite

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

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



Google Trends

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sharkbite
solder
apollo