if you look for french names I've done this dashboard [1] that shows popularity of french names in France from 1900 to today. It is very slow to load, due to database loading and because heroku is free I guess.
Github (french) repo is [2]
There is this company [https://uwinloc.com] , I've been working for. However ,they are using 968MHz band to harvest energy, thus (lower freq = less loss due to distance). It works up to ~20m if the antenna are correctly "aligned".
my technique for baguette conservation : in the freezer
You can store it for weeks up to a month I think.
After that, simply in a oven, 120° celsius for 12-16 minutes