Mineclonia
https://content.luanti.org/packages/ryvnf/mineclonia/ on the Luanti engine
https://www.luanti.org/ - a sandbox inspired by Minecraft and its alternative. The game is free, with a free license
https://ru.wikipedia.org/wiki/GNU_Lesser_General_Public_License, open source code
https://codeberg.org/mineclonia/mineclonia, available on Windows, Android, Linux, FreeBSD, macOS,
https://www.luanti.org/downloads/ servers are common for all platforms, convenient api
https://docs.luanti.org/for-creators/ for modding, mods
https://content.luanti.org/packages/?type=mod . All the main content and mechanics of Minecraft are implemented, updates are regularly released
https://codeberg.org/mineclonia/mineclonia/releases . To start playing, you first need to download and install the engine, run it, and then install the game using the graphical interface in the content tab. (More detailed instructions.
https://content-luanti-org.translate.goog/help/installing/?_x_tr_sl=en&_x_tr_tl=ru&_x_tr_hl=ru&_x_tr_pto=wapp ) For playing online with other players, I recommend a non-commercial anarcho server without rules, privates, in-game purchases, players with administrator privileges called Anarchy Anarchy 2b2t Mineclonia, server IP address 178.237.176.106 port 30000 The server is located in Russia, works around the clock, high performance, no wipes. It is similar to 2b2t
https://ru.wikipedia.org/wiki/2b2t .