Pets
Dinosaur Summoning - Niche: Melee with knockdown and -fly. Pets: Deinonychous (pounces), Velociraptor (build up), Stegosaur (ground Slam). Sample Moves: Pterodactyl's Cry (smashing, -res)
Drone Summoning - Summoning the various drones you see in the cities. Pets: Council, Rikti, Arachnos. Sample Moves: Short Circuit (short hold and Electric), Big Guy (short duration Longbow drone summon).
Ranged Damage
Minigun - Used by Council weapons, perhaps repurposeable. Niche: Low-endurance Lethal. Sample Moves: Drum Swing (melee cone with knockdown), Spray and Pray (several low accuracy cones fired at once), Spin Up (Build Up variant with +acc, +dam, +animation speed), Brrt (shot recharge burst), Pour It On (targeted toggle which continuously attacks while you have endurance)
Rocket Launcher - Niche: Varied damage types, targeted AoEs. Sample Moves: Smoke Warhead (AoE -perception, -tohit), Warp Warhead (negative energy, -teleport)
Shotguns - There are several animations in the game which use shotguns, but only one player temp power with them. Niche: Cones and short AoEs. Sample Moves: Run and Gun (targeted duration toggle which allows up to X shots to be fired without rooting), Taser Rounds (Energy damage), Incendiary Round (Fire damage), Impervium Round (Exteme damage, chance for knockdown)
Trick Shot - Attack using a 'sniper rifle' of sorts, causing various locks and speed debuffs. Niche: Mezzes, stacks of +tohit. Sample Attacks:
Power Pools
Pistol - A single one-handed gun, allowing melee/tank sets to get in a small number of ranged attacks. Sample Attacks: Quickshot (single attack), Down The Sights (attack with 2.00x accuracy), Fan the Hammer (multiple shots), Deadeye (snipe)
Alternate Weapons
Staff Fighting - Hockey Stick
Staff Fighting - Lacrosse Stick
Staff Fighting - Mic Stand
War Mace - Guitar
War Mace - Walking Stick