Linked from
The 23 pages that link to Crossbow, each with the reason it gives.
Hand cannonCompared with: It was a major portable missile weapon that firearms gradually challenged.
ArcheryCompared with: Its stock and trigger distinguish it from hand-drawn bows.
Target archeryCompared with: Its stock-mounted design separates it from bow-based target archery.
Recurve bowCompared with: Its stock and trigger distinguish it from a hand-drawn recurve bow.
Plate armourRelated: Crossbows prompted concern about armour's resistance to penetrating missiles.
Roger of LauriaRelated: Crossbowmen could attack enemy crews before ships closed for boarding.
PolearmCompared with: A crossbow delivers force through a projectile, not a hand-driven shaft.