Two Weapon Warrior archetype
Bravery
level 2: +1 Will saves vs. fear. Addt'l +1 per 4 levels after 2nd.
Defensive Flurry
3rd level: gain +1 Dodge to AC when attacking with 2 weapons. Addt'l +1 per 4 levels after 3rd. Replaces Armor Training 1 and 2
Twin Blades
5th level: +1 hit/damage when making full attack w/2 weapons. Addt'l +1 per 4 levels after 5th. Replaces Weapon Training 1
Doublestrike
9th level: May strike with both weapons as a standard action. Replaces Weapon Training 2
Improved Balance
11th level: penalties for 2-weapon fighting w/light weapon in off-hand are reduced by 1. Alternatively, may use 1-handed weapon in off-hand as if it were light weapon at normal penalties. Replaces Armor Traning 3
Equal Opportunity
13th level: When making AoO, may attack with both weapons. Replaces Weapon Training 3
Perfect Balance
15th level: penalties for 2-weapon fighting with a light weapon in the off-hand are reduced by 1. Replaces Armor Training 4
Deft Doublestrike
17th level: when you hit an opponent with both weapons, you may make a disarm or sunder (or trip if one of the weapons is a tripping weapon) as an immediate action that does not provoke AoO. Replaces Weapon Training 4
Deadly Defense
19th level: when you make full attack w/2 weapons, every creature that hits with a melee attack before the beginning of your next turn provokes an AoO. Replaces Armor Mastery
Weapon Mastery
20th level: choose one weapon. You can no longer be disarmed while wielding this weapon. Crit multiplier increases by 1, and all crits are automatically confirmed.