- https://vaulthunterhub.com/ : A general hub with a lot of useful links and info from the now-gone Gearbox forums
- https://www.lootlemon.com/: The definitive place for Gear info including drop sources, optimal parts/card values (shown in each image) as well as character skill point builders
- http://blstats.com/gbx_forum/ : Partial backup of the Gearbox forums
- Album dump of selected guides from the forums:
Borderlands 1:
Parts visual guide: https://i.imgur.com/S3j19zC.jpeg
Borderlands 2:
Parts and prefix guide: https://imgur.com/a/mSURxRm
Top Gear for Maya: https://imgur.com/a/pUblIf2
Top Gear for Axton: https://imgur.com/a/9H6sJ2w
Top Gear for Salvador: https://imgur.com/a/QReD0h0
Top Gear for Zer0: https://imgur.com/a/MeuI4yw
Top Gear for Gaige: https://imgur.com/a/nA2LVN5
Top Gear for Krieg: https://imgur.com/a/JPFLNKH
Borderlands: The Pre-Sequel:
Parts and prefix guide: https://imgur.com/a/mSURxRm
Top Gear for Athena: https://imgur.com/a/SWXDwNJ
Top Gear for Wilhelm: https://imgur.com/a/0vL0KDj
Top Gear for Nisha: https://imgur.com/a/523U36R
Top Gear for Claptrap: https://imgur.com/a/X7PbTv6
Top Gear for Aurelia: https://imgur.com/a/7trrLBL
Top Gear for Timothy/Jack: https://imgur.com/a/NumNBbQ
Borderlands 3:
Passive Gear Bonuses Guide: https://imgur.com/a/Ae7BXTK
List of All Splash Weapons: https://imgur.com/a/VSRYfsd
Top Gear of Borderlands 3 : https://imgur.com/a/mbMLSwN
Top Gear for Amara: https://imgur.com/a/1E0Jz7V
Top Gear for Zane: https://imgur.com/a/TD8nBt0
Top Gear for Moze: https://imgur.com/a/r4GrsIO
Top Gear for FL4K: https://imgur.com/a/D3GL6S7
Wonderlands:
Damage Formulas: https://docs.google.com/document/d/1HC1NuT2SOeMtOQra1zWwtBIcP8z3oBg5e_yQuvQXNrw/mobilebasic#h.990kjc7w6ldi
Interactive map for collectibles: https://mapgenie.io/tiny-tinas-wonderlands/maps/world