My list is from Fallout: 3 and/or New Vegas:
Sniper Rifle, Combat Shotgun (The terrible Shotgun), Gauss Rifle, Anti-material Rifle, throwing spears/knives, Vampire's edge, Landmines, Combat knives (Occam Razor, Chances Knife - best melee weapon in FO:NV), Lincoln's Repeater, .44 magnum pistol (Blackhawk). Chinese Assault Rifle (Xuanlong) and Holy Hand Grenades - just because.