Chromium is an open source browser maintained by Google. Along with the Chromium browser itself, Google Chrome, Microsoft Edge, Opera, Vivaldi, and a slew of other notable web browsers are all based on the Chromium source code. It's safe to say that Chromium plays a huge role in the way that many users view the web today.
This is a companion discussion topic for the original entry at https://linuxconfig.org/how-to-install-chromium-web-browser-on-linux