The best replacement for i2 is palantir.

The best alternatives to i2 are rated as following:
★★★★★  palantir
★★★  i1 clarity
★★★  si2
★★  i4
★★  sap apo
★  br2 boiling point
★  i1
★  apo

Your alternative for i2 is not listed? Suggest!
Speaking about i2, one probably shouldn't forget about so2.

Other search terms related to i2 and their ratings are:
★★★★★ so2
★★ na2s2o3
You have in mind a companion for i2 and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of i2 in all years. Click on graph for more.
i2
palantir
i1 clarity