The best replacement for devise is device.

The best alternatives to devise are rated as following:
★★★★★  device
★★★★  bequest
★★★  authlogic
★★★  omniauth
★★  invent
★  sorcery
★  cancan
★  bequeath
★  demise
★  doorkeeper
★  warden
★  has_secure_password
  descent
  convey
  clearance
  omniauth identity

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

Other search terms related to devise and their ratings are:
★★★★★ mongoid
★★★★ rails 4
★★ omniauth
★ rspec
★ pundit
★ grape
cancan
token authentication
You have in mind a companion for devise and it is not yet here? Propose!



Google Trends

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devise
device
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