The best replacement for jib is genoa.

The best alternatives to jib are rated as following:
★★★★★  genoa
★★★★★  spinnaker
★★★★  crane
★★★  slider
★★★  mizzen
★★  gib
★★  boom
★  ink
★  mainsail
★  ink'd
★  2xl
★  spinnaker crossword clue
  cscs
  dolly
  genoa sail
  cammate
  staysail
  lateen
  inkd

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

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



Google Trends

Scale is based on the average worldwide traffic of jib in all years. Click on graph for more.
jib
genoa
spinnaker