Iridium Browser
Chromium based browser. Supposedly secure, though I haven't checked it out thoroughly enough.
Source available at https://downloads.iridiumbrowser.de/source/ Git repo available at https://git.iridiumbrowser.de/cgit.cgi/iridium-browser/
Misc dev files, including diff at https://build.netitwork.net/package/show/iridium/iridium-browser