A list of Cloud's swords. I am still finding more information on them.
Name Buster Sword
Where to get it Initial equip
Slots O-O
Growth Normal
Attack/Attack % 18/96
Name Hardedge
Where to get it Lower Junon
Price
Slots O-O O-O
Growth Normal
Attack/Attack % 39/100
Name Mythril Saber
Where to get it Kalm Town
Price
Slots O-O O
Growth Normal
Attack/Attack % 23/98
Name Force Stealer
Where to get it Upper Junon
Price
Slots O-O O-O O
Growth Normal
Attack/Attack % 51/100
Name Butterfly Edge
Where to get it Cosmo Canyon
Slots O-O O-O O-O O-O
Growth Normal
Attack/Attack % 43/107
Name Yoshiyuki
Where to get it Rocket Town
Slots O O
Growth Normal
Attack/Attack % 56/100
Name Murasame
Where to get it Wutai
Slots O O O O O O
Growth Normal
Attack/Attack % 93/100
Name Nail Bat
Where to get it Temple of the Ancients (Underneath clock)
Price N/A
Slots
Growth
Attack/Attack % 70/100
Name Organics
Where to get it Icicle Inn
Price 12,000 Gil
Slots O-O O-O O-O
Growth Normal
Attack/Attack % 62/103
Name Enhance Sword
Where to get it Gaea's Cliff
Slots O-O O-O O O
Growth Normal
Attack/Attack % 76/103
Name Crystal Sword
Where to get it Mideel
Slots O O O
Growth Double
Attack/Attack % 36/100
Name Heaven's Cloud
Where to get it Sunken ship
Slots O O O O O O
Growth Normal
Attack/Attack % 93/100
Name Apocalypse
Where to get it Ancient Forest
Slots
Growth
Attack/Attack % 88/110
Name Ragnarok
Where to get it Defeat Proud Clod
Slots O-O O-O O-O
Growth Normal
Attack/Attack % 97/105
Name Ultimate Weapon
Where to get it Defeat Ultimate Weapon
Slots
Growth
Attack/Attack % 100/110