The Deathsangel's Mega Install, all 18 of these mods cooperated in Baldur's Gate 2:

Ariena
Kido
Kelsey-SoA
Kelsey-ToB
Underreprestend Items
Tactics (several components)
Allassa
Ghareth
Questpack V.2
Valen
Virtue
Apack
Oversight
Dungeon Be Gone
Flirt Pack
Ascenscion (partly)
Subrace (morituri kit)
Saerileth


Xaos Bob's Mega Install, all 44 of these mods cooperated in Baldur's Gate 2:

Ascension
Dungeon-Be-Gone
G3 Tweaks
Refinements
Unfinished Business
Ease-of-Use
Restored BG1 Casting Sounds
Herbs & Potions Add-in
Every Mod & Dog
Cloakwood Squares
SimDing0's Quest Pack
SimDing0's Tweak Mod
G3 Anniversary
Improved Asylum
Thief Stronghold
Weimer's Tactics
Dark Ritual
Desecration of Souls
Black Rose Pt I
Turnip Golem
FWP Item Pack
Creslyn's BG2 Item Pack (Sorcerer's Place Collection)
Underrepresented Items
Item Upgrade
Freedom's Reign/Reign of Virtue
Improved Horns of Valhalla
Craig's Bottomless Containers
Ruad Ro'thessa
Revised Hell Trials
Cal-Culator
Solaufein
Tsujatha
Kelsey-SoA
Kelsey-ToB
Kelsey Rastaman portrait
Getting Rid of Anomen
Keto
Kiara-Zaiya
Hubelpot
Saerileth
Banter Pack
NPC Flirt
Exnem's Vault
Ashes of Embers