Multiple map options:

• DynMap: Real-time map showing online players, locations, etc
• Little A Map: Consolidated rendering of all in-game player maps
• pixelmapcli: Requires glibc>=3.5
• overviewer: Too slow, with too-big output
• mcmap: Requires newer spdlog, which in turn requires gcc>=5
• papyri: Requires gcc>=4.9