The best replacement for icicles is ido.

The best alternatives to icicles are rated as following:
★★★★★  ido
★★★★  helm
★★★★  tinsel
★  anything

Your alternative for icicles is not listed? Suggest!
Speaking about icicles, one probably shouldn't forget about gutter helmet.

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



Google Trends

Scale is based on the average worldwide traffic of icicles in all years. Click on graph for more.
icicles
ido
helm