Psion v1.2.2 - Awaken your power, Unleash your potential, Transcend your limitations, or Shape your imagination into reality; balance tweaks and expanded options! Psychic Warrior and Soul Knife included (PDF In comments) :
Master list of all psionic powers in the game - Rules - Arena
Deacon Mokker the Boy with Psionic Powers by Shy-Her0s on DeviantArt
Two New Psionic Feats for D&D 5E - Wizard's Laboratory