Reasonable detail maps with information
Pre-plan builds and see weekly what the Nuke Launch codes
Mods for the game, please note some mods may get you ban as they enhance your gameplay.
As an example of mod could get you ban are any of the glowing item mods. Due to like say Recipes, Bobbleheads, Magazines, and Cap Stash
three of these perk cards which would then defeat the reason the game made those perk cards to use.
This link is like wiki, but has a lot of other info. it has on this page a Fallout 76 overviews like a table of contents to navigate the site.
Feel free to list any other site below these are the basic ones that I use but feel free to share ones that you explore with us.