The best replacement for duct tape is duck tape.

The best alternatives to duct tape are rated as following:
★★★★★  duck tape
★★★★  gorilla tape
★★★  electrical tape
★★  foil tape
★★  gaffer tape
★  cryotherapy
★  masking tape
★  mastic
★  electrical
★  packaging tape
★  metal tape
★  duct tape
★  shipping tape
★  moleskin
  gaffers tape
  scotch tape
  wd 40
  packing tape
  zip ties
  vapor barrier tape
  scotch plastic tape
  aluminum tape
  cloth tape
  cloth duct tape
  gaffer
  100 mph tape
  electric tape

Your alternative for duct tape is not listed? Suggest!
Speaking about duct tape, one probably shouldn't forget about warts.

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



Google Trends

Scale is based on the average worldwide traffic of duct tape in all years. Click on graph for more.
duct tape
duck tape
gorilla tape