Name: DEFENSIVE THROW
You can use your opponent's weight and momentum against them, deflecting their attack and throwing them to the ground.
PreReq: Dex 13, Combat Reflexes, Dodge, Improved Trip, Improved Unarmed Strike
Description: If the opponent you are using your dodge against attacks and misses you, you can make an immediate trip attack.
Source: CompWar
Category: Combat (Melee (Special Attacks), Unarmed)

Name: DEFLECT ARROWS
You can deflect arrows.
PreReq: Dex 13, Improved Unarmed Strike
Description: Once per round, deflect (automatically) a ranged attack that would otherwise hit you.
Source: PH3.5
Category: Combat (Unarmed)

Name: EARTH'S EMBRACE
You crush opponents when you grapple them.
PreReq: Str 15, Improved Grapple, Improved Unarmed Strike
Description: While grappling, if you pin your opponent, you deal an extra 1d12 damage each round.
Source: CompWar
Category: Combat (Unarmed)

Name: FLYING KICK
You literally leap into battle.
PreReq: Str 13, Jump 4 ranks, Improved Unarmed Strike, Power Attack
Description: When fighting unarmed and charging, you deal an extra 1d12 damage with your unarmed attack.
Source: CompWar
Category: Combat (Unarmed)

Name: IMPROVED GRAPPLE
You are good at grappling an opponent.
PreReq: Dex 13, Improved Unarmed Strike
Description: You do not provoke an attack of opportunity when you make a touch attack to start a grapple. +4 to all grapple checks.
Source: PH3.5
Category: Combat (Melee (Special Attacks), Unarmed)

Name: IMPROVED UNARMED STRIKE
You are good at fighting unarmed.
PreReq: None
Description: Do not provoke attacks of opportunity when striking unarmed. Considered armed for getting attacks of opportunity against others. Unarmed attack can deal lethal or non-lethal damage at your option.
Source: PH3.5
Category: Combat (Unarmed)

Name: ROUNDABOUT KICK
You can follow up a particularly powerful unarmed attack with a mighty kick.
PreReq: Str 15, Improved Unarmed Strike, Power Attack
Description: If you score a critical hit on an unarmed attack, you may immediately make an additional attack.
Source: CompWar
Category: Combat (Unarmed)

Name: SNATCH ARROWS
You can catch arrows.
PreReq: Dex 15, Deflect Arrows, Improved Unarmed Strike
Description: When using the Deflect Arrows feat, you may catch the weapon instead of just deflecting it. Thrown weapons can be immediately be thrown back at the originating attacker (even though it isn't your turn).
Source: PH3.5
Category: Combat (Unarmed)

Name: VERSATILE UNARMED STRIKE
You employ a variety of unarmed fighting styles.
PreReq: Improved Unarmed Strike.
Description: As a swift action, you can change your unarmed attack's damage type (bludgeoning, piercing, or slashing).
Source: PHII
Category: Combat (Unarmed)