LifeStolen is another life steal plugin.
You may edit it and use it for yourself, help me out by submitting Pull Requests with your changes, or using your version for your server but you may not redistribute this project (unless you get my permission), the only official distributions are below
CurseForge: https://www.curseforge.com/minecraft/bukkit-plugins/lifestolen
SpigotMC: https://www.spigotmc.org/resources/lifestolen.99220/
Modrinth: https://modrinth.com/plugin/lifestolen
GitHub Releases: https://github.com/kadotcom/lifestolen/releases/ (RECOMMENDED)
Discord: https://discord.gg/2wNv7MSJaw
bStats page: https://bstats.org/plugin/bukkit/LifeStolen/21036
Wiki: https://kadotcom.gitbook.io/lifestolen