The best replacement for scroll is reciprocating compressor.

The best alternatives to scroll are rated as following:
★★★★★  reciprocating compressor
★★★★★  band saw
★★★  book
★★  reciprocating
★★  screw compressor
★★  rotary compressor
★  hermetic compressor
★  screw chiller
★  codex
★  touchmove
★  single scroll
★  piston compressor
  tab
  screw compressors
  poster
  universal scroll
  hermetic
  semi hermetic
  scrollto
  inverter
  reciprocating compressors
  screw chillers
  swing compressor
  single scroll turbo
  hermetic compressors
  tablet
  not to scroll
  twin turbo

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

Other search terms related to scroll and their ratings are:
★★★★★ scrollbar
★★★★★ touchpad
★★ trackball
★ apple mouse
overflow
blackberry trackball
wheel mouse
You have in mind a companion for scroll and it is not yet here? Propose!



Google Trends

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scroll
reciprocating compressor
band saw