Geppo or Moonwalk :
The Geppo allows the users to actually jump off the air itself, allowing them to stay in the air for much longer than usual.
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Tekkai or IronBody :
The Tekkai hardens the users' muscles to the level of iron, in order to nullify damage taken from attacks.
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Shigan or Finger Pistol or Finger Gun :
The Shigan is a close-quarter combat technique, in which the user pushes their finger into a certain target at a very high speed, leaving a wound similar to a bullet wound.
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Rankyaku or Tempest Kick :
The Rankyaku is a powerful projectile technique, in which the users start by kicking at very high speeds and strength, sending out a sharp compressed air blade or "Sickle Wind" that can slice objects and greatly damage a human body.
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Soru or Shave :
The Soru allows the users to move at extremely high speeds in order to avoid attacks, as well as to attack at higher speeds and with greater power. It was revealed that the principle of this move was to kick off the ground at least ten times in the blink of an eye.
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Kami-e or Paper art or Paper Body :
The Kami-e makes the users' body extraordinarily flexible in order to avoid any attacks, float, and bending their body like a piece of paper.
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There also many variations develop by many people like Rob Lucci of CP9 and many others by combining many of 6 styles with each other or different things.
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Apart from these there is also a 7th one which is secret even in Navy and World Government.
Rokuogan or Six King Gun :
The Rokuogan is the secret and ultimate attack of the Rokushiki style.
Only those who have absolute mastery of the other six skills can have access to this seventh skill.
The user places both their fists right in front of the target to focus their physical strength to launch a devastating shock wave in a forward direction. The burst is a reminiscence to that released by an Impact or Reject Dial, capable of bypassing the defenses of a rubber human such as Monkey D. Luffy, who is immune to blunt strikes under normal circumstances, and causes massive internal injuries.
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There is also a Special Technique which is mastered by very few people even in Anime but possesses great potential.
Seimei Kikan or Life Return or Rebirth :
>> Fighting Style Focus: Bodily function manipulation
It allows the user to control their bodily functions.
Can be used to digest food fast or store food energy within cells or healing faster or controlling hair, etc.