Mozilla Firefox
https://www.mozilla.org/en-US/firefox/
Chromium
https://www.chromium.org/getting-involved/download-chromium
Slimjet
https://www.slimjet.com/
Midori
http://midori-browser.org/download/
Epiphany
https://wiki.gnome.org/Apps/Web/
Konqueror
https://konqueror.org/download/