For an experience, which i call Fallout 4: New Trepang, i recommend these mods:
America Rising 2 - Legacy of the Enclave
Atlas Summit Redux
Fallout Texture Overhaul PipBoy (Pip-Boy) UHD 4K
Combined Arms - Modern Weapon Pack
West Tek Tactical Gloves
Main Force Patrol - A Mad Max Mod
M79 Grenade Launcher -- Standalone
CROSS Crit Gore-verhaul
FCOM - Fallout Commander
Pig's Akimbo Weapon Pack
Gunner Outfit Extreme Overhaul
Mercenary Outfit Extreme Overhaul
Kerberos Panzer Cop Jin Roh The wolf (Minutemen replacer)
Painful NPC death sound effects
Chernobyl Hazmat suits - Child of Atom Replacer
Eastern Operator BEAR Armor Replacer
Umbrella Corps - Nuka-World Raiders
Bullet Time - Slow Time
Minutemen Take Over Nuka World Bugfix
Minutemen Takeover - Nuka World - America Rising 2 Patch
Kriss Vector
Dual .44 Magnums
Enclave Settlers
The Castle Spawns Minutemen Settlers
Modern Military Pack - Tactical Railroad Stalkers
Urban Raider - The Forged
Russian Assault Pack - SVD Dragunov - Saiga 12 - PP-19 Bizon - Stechkin APS - MP412 REX
Project Reality Footsteps FO4
NPC Footstep Overhaul
HS Produkt VHS-2 Rifle
Heckler and Koch - Mark 23 SOCOM
In The Flesh - A Horror Quest Mod
To prolong your adventures, you might want to grab Sim Settlements 2 as well.
Additions that i personally use:
Timescale Defaults to 6 (when leaving Vault 111)
Vivid Weathers - Fallout 4 Edition - a Weather Mod and Climate Overhaul
True Storms - Wasteland Edition (Thunder-Rain-Weather Redone)
Weather Synergy - True Storms and Vivid Weathers merge patch
Turn from an innocent survivor into an absolute menace.