Eaglercraft is a beautiful piece of engineering that democratizes Minecraft. Don't ruin the experience for yourself or others by chasing malicious software. Play legit, host your own server with crazy plugins (like KitPVP or Skywars ), and save the hacking for your own offline single-player world where you are the only victim.
If you are determined to cheat, your safest bet is to learn basic JavaScript and manipulate your own client locally. Do not search for "18 hacked client eaglercraft free." 18 hacked client eaglercraft free