This reminds me of warzone 2100. After its publisher (punpkin) ceased trading, some dedicated ex-employees and community members managed to liberate the source code in 2004.
Now it's available in some of the major distros and is still updated to this day.
The only reason why I went with FF/FF clones is because I wanted to completely degoogle myself. But a few websites require a chromium base, so I have Brave on standby for that. It's a good browser.