Being listed here doesn't represent any endorsement nor recommendation. Please use your own judgement.

• the Vector method (Usage in Huna described eg. by John Bainbridge in his Huna Magic book. Also recommended by Charlotte Berney in her book.)
• Kala is a Huna method of clearing complexes
• PEAT system created by Zivorad Slavinski
• EFT (emotional freedom therapy) by Gary Craig, and other energy psychology methods
• Sedona method
• various techniques from Energy Medicine book by Donna Eden
• HO‘OPONOPONO -more details here or here, both based on the work of Kahuna Morrnah Simeona
• Hula dance can be used as a means of clearing complexes if used with proper intent
• hypnotherapy and self-hypnosis
• various NLP (neurolinguistic programming) techniques, including 3D Mind by Tom Vizzini
• forgiveness
• confessing your sins
• burning paper as proposed in Huna 101 by Two Bears
• it is said Moses K.'s course contains powerful clearing methods, yet I have no personal account of that nor confirmation from someone who used this course
• and many other techniques