XBill

Home: http://www.xbill.org/
State: mature, inactive since 2001
Download: http://www.xbill.org/download/
Platform: Linux
Keyword: arcade
Code repository: https://gitlab.com/osgames/xbill.git (import of sources, @created 2019, @stars 1, @forks 0)
Code language: C, Script
Code license: GPL-2.0
Developer: Brian Wellington, Matias Duarte

Written in 1994. Several ports linked on the home page.

Building