From Lexicanum

Eldar Weaponry is highly advanced when compared to that of the Imperium, having been used and developed over millennia and making use of highly advanced technology, including the crystalline wraithbone in some of the more complex designs.

Close Combat Weaponry

• Biting Blade - (Striking Scorpion Exarch only)
• Close Combat Weapon
• Executioner - (Howling Banshee Exarch only)
• Mirrorswords - (Howling Banshee Exarch only)
• Power Weapon
• Scorpion Chainsword - (Striking Scorpions and Autarch only)
• Scorpion's Claw - (Striking Scorpion Exarch only)
• Shuriken Pistol
• Triskele - (Howling Banshee Exarch only)
• Singing Spear - (Farseers and Warlocks only))
• Wailing Doom - Avatar only
• Witch Blade - (Farseers and Warlocks only))

Grenades

• Haywire Grenades
• Melta Bombs
• Plasma Grenade
• Swooping Hawk Grenade Pack

Ranged Weaponry

Flame Weaponry

• Flamer
• Dragon's Breath Flamer

Fusion Weaponry

• Firepike
• Fusion Gun
• Fusion Pistol

Laser Weaponry

• Bright Lance
• Firestorm Scatter Laser
• Hawk's Talon
• Lasblaster
• Laser Lance
• Prism Cannon
• Pulse Laser (also Falcon Pulse Laser)
• Scatter Laser
• Star Lance

Plasma Weaponry

• Starcannon

Shuriken Weaponry

• Shuriken pistol
• Shuriken catapult
• Avenger Shuriken Catapult
• Shuriken Cannon
• Shrieker Cannon

Projectile Weaponry

• Missile Launcher
• Reaper Launcher
• Tempest Launcher
• Revenant Missile Launcher
• Phoenix Missile Launcher

Sonic Weaponry

• Vibro Cannon
• Sonic Lance

Monofilament Weaponry

• Death Spinner
• Shadow Weaver
• Spinneret Rifle
• Night Spinner
• Voidspinner Array

Warp Weaponry

• D-Cannon
• Wraithcannon

Other Weaponry

• Ranger Long Rifle
• Sunrifle
• Pulsar (also Titan Pulsar and Scorpion Twin Pulsar)
• Firestorm Battery (possibly the same as the Firestorm Scatter Laser?)
• Psychic Lance