The best open source alternative to Puffin Web Browser is Brave, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Puffin Web Browser and 19 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Puffin Web Browser are Ungoogled Chromium (Free, Open Source), Dissenter Browser (Free, Open Source), Fennec F-Droid (Free, Open Source) and Kiwi Browser (Free, Open Source).
One of the smallest, fastest Android web browsers around. It is a high-performance small-sized Internet browser built for those who don't want the cumbersome size of Firefox or Chromium. It is based off the Android WebKit Engine.
A privacy-centric web browser, with an elegant UI and a robust built-in ad blocker, all designed with anonymity in mind. Forget ads and trackers. It sucks to install an ad-blocker manually. With our Dot Ad-Blocker, you'll never see a pesky ad again.
You are most probably not selling guns to Yemen over the Internet. However, already very basic information about you can be very harmful if in the wrong hands. Your health data could be sold to an insurance company, which could deny selling you insurance.