Freeciv-web

Home: https://web.archive.org/web/20180102150750/https://play.freeciv.org/
Media: https://en.wikipedia.org/wiki/Freeciv#Freeciv_WebGL_3D_and_Freeciv-web
Inspiration: Civilization II, Freeciv
State: mature
Play: https://github.com/freeciv/freeciv-web#live-servers
Platform: Web
Keyword: strategy, clone, online, turn-based
Code repository: https://github.com/freeciv/freeciv-web.git (@created 2013, @stars 1600, @forks 263)
Code language: JavaScript, Java, Python
Code license: AGPL-3.0
Developer: Andreas Røsdal, chris1869, cpetry, Gerik Bonaert, Jacob Rask, Louis Moureaux, Marko Lindqvist, mchenryc, Máximo Castañeda, Sveinung Kvilhaugsvik, Tom von Schwerdtner

Version of Freeciv playable online in any modern web browser. Modifies Freeciv slightly and uses it as server.

Building

Maven, Docker