Open Source Web Browsers Software
Roccat Browser
Roccat Browser is free web browser designed by Runecats. The Roccat Browser utilize the Webkit rendering engine and is available for macOS and iOS.
SRWare Iron
SRWare Iron, or Iron for short, is a fork of the free and open-source web browser Chromium developed by Google and the open-source community.
Lucid Browser
Lucid Browser is a free and open source mobile web browser designed to be lightweight, fast, and simple. The application is designed for quick start-ups and simplistic, while still providing features seen in other popular mobile web browser.Lucid Browser is available for Android and weighs in at only 4MB in total.
Sandcat Browser
Sandcat is a free and open-source browser designed for penetration testers and is used for testing security holes and bugs in websites and web applicaitons. The Sandcat Browser is developed by Syshunt on top of Chromium and uses the Lua programming language to provide extensions and scripting support. Although the browser is directed towards system administrators and penetration testers, it can be useful for people who want to verify in real-time how they are tracked online.
Kiwi Browser
Kiwi Browser is a Andrioid-based web browser made to browse the internet, read news, watch videos and listen to music, without annoyances. Kiwi offers a bunch of customization options, allowing you to move the address bar to the bottom, add a hand button to reach the top of the screen, swipe from the edge to navigate in the browser, and see a simplified view for web pages, among others.
Browsh
A is a fully-modern text-based browser. Browsh renders anything that a modern browser can; HTML5, CSS3, JS, video and even WebGL. Its main purpose is to be run on a remote server and accessed via SSH/Mosh or the in-browser HTML service in order to significantly reduce bandwidth and thus both increase browsing speeds and decrease bandwidth costs. To run Browsh, you need to have Firefox 57 or newer installed.
Epic Privacy Browser
Epic Privacy Browser is a secure chromium-based web browser that provides Encrypted Proxy, AdBlock and VPN capabilities out-of-the-box. With Epic Privacy Browser blocking technologies websites loads up to 25% faster than other mainstream browsers. Allowing you to surf the web safely, quickly and secure.
Firefox Developer Edition
As a developer you will love Firefox Developer Edition! It is a blazing fast browser that includes the latest development tools such as support for CSS grid debugging, CSS shape path editor, the variable fonts inspector, and many other features. Firefox Developer Edition is also handled as a separate profile compared to your regular Firefox setup, so you don't have to worry that your Firefox Developer Edition settings will affect your regular browsing experience. As a developer the Firefox Developer Edition browser is a must have.
Yandex.Browser
The Yandex.Browser is a free and secure browser developed by the Russian internet service company Yandex. The browser is released for computers, as well as smartphones and tablets. The Yandex.Browser uses the WebKit engine, the same engine found in the Safari browser developed by Apple. It allows you to load webpages quickly, even on slow connections, while ate the same time protecting you from virus and malware attacks.
FOSS Browser
The FOSS Browser is a fully free and libre (as in freedom) web browser for the Android eco-system. The browser allow users to browser the internet without unnecessary permissions. FOSS Browser is based on webview and is intentionally designed to be simple, lightweight and easy to use.