Here's a fairly comprehensive study by a fellow in Wisconsin under the nom de plume of Rancid Crabtree. He compares some 46 lubricants, most of which you may have heard of, and some you haven't for lubricity, odor, and rust prevention. There were both expected and unexpected results at both ends of the results tables.
Check it out. And check out the comments as well.
Frog Lube is going to be hard to find in the immediate future. Hornaday One-Shot looks like the alternative.