mcMMO is a Minecraft server plugin that adds RPG-style skills, abilities, experience, and progression to survival gameplay. It is aimed at multiplayer...
Pros
- Mature skill system with extensive server adoption
- Works well with vanilla survival gameplay
- Large ecosystem of configuration guides and integrations
Cons
- Some advanced features require the paid Premium edition
- Progression can feel grindier than newer skill plugins
- Less flexible for custom classes and active abilities than MMOCore
Free Classic edition; Premium from $19.99