This hack increases your horizontal velocity. In 1.8.8, the max speed is around 5.6 blocks/second. A speed hack multiplies the moveStrafing and moveForward values by a factor (e.g., 2x or 5x).
KillAura (automatically hits entities), Reach (increases hitting distance), and AutoClicker. Movement Hacks: 1-8-8 Eaglercraft Hacks