The best replacement for spreader is broadcast spreader.

The best alternatives to spreader are rated as following:
★★★★★  broadcast spreader
★★★★★  broadcast
★★★★  riving knife
★★★  drop spreader
★★  rotary spreader
★★  heatsink
★★  rotary
★  broad spreader
★  butter knife
★  cage roller
★  mid level
★  heartpierce
★  spreader
  earthway spreader
  drop
  heat sink

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

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



Google Trends

Scale is based on the average worldwide traffic of spreader in all years. Click on graph for more.
spreader
broadcast spreader
broadcast