The best replacement for tabata is hiit.

The best alternatives to tabata are rated as following:
★★★★★  hiit
★★★  insanity
★★★  circuit training
★★  interval training
★★  sprint 8
★  peak 8
★  metafit
★  little method
  fartlek

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Speaking about tabata, one probably shouldn't forget about sprints.

Other search terms related to tabata and their ratings are:
★★★★★ sprints
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Google Trends

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tabata
hiit
insanity