Looking for a free anticheat that doesn’t detect movement.

Hi, you can use this and disable the checks you want
https://www.spigotmc.org/resources/...heat-detection-1-8-1-12-1-13-1-14-1-15.64635/

 

I second Matrix AntiCheat! It’s very customizable; you can disable any check you want, including all movement-based checks.