Astrium

Astrium was created for the purpose of managing HP in TTRPG settings such as Dungeons and Dragons, it has a multitude of functions and is utilized without paywalls.

Featuring commands used to raise hp, lower hp, raise defense or lower defense, it's a versatile tool useful for all Dungeonmasters. Occassional downtimes may occur for maintenence if needed, but it is relatively a finished product.