Some online servers support cracked launchers. Just search for “Minecraft server cracked list” on your browser and you will find them. If you want to host one for you and your friends you can use Docker Compose https://setupmc.com/java-server/ just make sure to untick online mode.

https://ultimmc.com/ FOSS Minecraft launcher. You can play singleplayer and multiplayer on cracked servers

Consider seeding Anna’s archive torrents, you can choose how much space to donate.

https://annas-archive.pk/torrents#generate_torrent_list

Try johncena141 repacks (recommended) for linux or DODI repacks if the first one did not make a repack for the game yet. Fitgirl repacks have never worked in my experience while DODI’s have always worked. For johncena141: https://gitlab.com/jc141x/setup For DODI: just execute the setup.exe with wine and install the game in the folder you prefer.