ECO CubeA whole series of sticker and body variants of the 3x3x3
Egg Pig 3x3x3A 3x3x3 in shape of an egg painted to resemble a pig.
Egger CubeAn official Rubik's Promotional cube for Egger / Baudas... probably a building materials company in Germany.
Eight Color CubeA 3x3x3 cube split into eighths, with each having one colour. Eliminates the need to consider corner orientations but introduces face orientations.
Eightball 3x3x3A 3x3x3 consisting of eight ball-like shapes instead of a cube.
ElemorphixThis is a sticker mod for the Mastermorphix puzzle with 3 possible solutions