0 A.D.

Home: https://play0ad.com/, https://sourceforge.net/projects/zero-ad/
Media: https://en.wikipedia.org/wiki/0_A.D._(video_game)
Inspiration: Age of Empires
State: beta
Download: https://play0ad.com/download/
Platform: Windows, Linux, macOS
Keyword: strategy, content open, multiplayer online + LAN, real-time
Code repository: https://github.com/0ad/0ad.git (mirror, @created 2010, @stars 2284, @forks 480), https://gitlab.com/0ad/0ad.git (mirror, @created 2015, @stars 14, @forks 5), https://svn.wildfiregames.com/public/ps/ (svn)
Code language: C, C++, JavaScript
Code license: GPL-2.0
Code dependency: boost, enet, fcollada, freetype, gloox, gmp, gnutls, icu, libcurl, libfmt, libiconv, libMoltenVK, libogg, libpng, libsodium, libvorbis, libxml2, m4, miniupnpc, nettle, nvtt, OpenAL, SDL2, spidermonkey, zlib
Assets license: CC-BY-SA-3.0
Developer: Ben Brian, Erik Johansson, Kieran Pilkington, Lancelot de Ferrière, leper, Nicolas Auvray, Philip Taylor, Pureon, s0600204, Stanislas Dolcini

Engine is called Pyrogenesis.

Building

Build system: CMAKE (NVTT), Custom (Makefile for FCollada, SpiderMonkey), Premake (engine)
Build instruction: https://trac.wildfiregames.com/wiki/BuildInstructions