Knock U Back

A simple mod makes snowballs and eggs able to knock Players back.

Commands

/knockuback enabled set true

Enable the mod (enabled by default)

/knockuback allowCombo set true

Enable combo to hit player multiple times within 20 ticks (enabled by default)

/knockuback comboTick set <int number>

Set the invulnable duration (to eggs and snowballs) after being hit.

Download from here