The best replacement for abel is cain.

The best alternatives to abel are rated as following:
★★★★★  cain
★★★  tibor
★★  seth
★★  guile
★★  nadelman
★★  able
★★  zangief
★★  cammy
★★  hatch
★★  ducommun
★  dhalsim
★  wiesel
★  varner
★  frey
★  cain fire emblem
★  blanka
  did abel kill cain
  abel
  saab
  c viper
  ana
  max irons
  ophcrack

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

Other search terms related to abel and their ratings are:
★★★★★ airpcap
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Google Trends

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abel
cain
tibor