The best open source alternative to Chromium is Mozilla Firefox, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Chromium and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Chromium are Brave (Free, Open Source), Waterfox (Free, Open Source), Pale Moon (Free, Open Source) and Ungoogled Chromium (Free, Open Source).
Meet Kwick, A fast open source browser. Features: - Information from DuckDuckGo in the search bar. - Full-text search for visited pages - Automatic ad and tracker blocking - Reader view - Tasks (tab groups) - Dark theme
Eolie is a new WebKit GNOME web browser. It provides: - A modern ui - Secret password store - Adblock and more: Block ads, js, popups and phishing URLs. - Navigation profiles - Firefox sync: Allow you to sync your bookmarks, history and passwords with Firefox.
Stratus is a simple web browser designed to make it easier to multitask while watching videos. It features a picture-in-picture (PiP) mode that will always stay on top of your other windows as well as a collection of magic plugins that optimizes video sites for watching.
FireDragon is a fork of LibreWolf. It has custom branding and enhanced KDE integration with OpenSUSE patches and kifredragonhelper. It comes with Ublock Origin, Canvasblocker, Dark Reader, ClearURLs, and Tabliss added.