Cuberite is a lightweight, open-source Minecraft: Java Edition server written in C++ for administrators who want low resource usage and fast startup....
Pros
- Lower CPU and memory usage than most Java-based servers
- Lua plugin API is simpler to deploy than Java plugin ecosystems
- Fast startup and compact installation
Cons
- Supports fewer modern Minecraft versions than Paper or Vanilla
- Much smaller plugin ecosystem than Spigot-compatible servers
- Some vanilla mechanics and redstone behavior differ from Minecraft