Open Source Software for Android
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.
Tailscale
Tailscale provides zero config VPN. Installs on any device in minutes, manages firewall rules for you, and works from anywhere. With Tailscale you and your team can enjoy secure networks that just work.
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.
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.
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.
ProtonVPN
ProtonVPN is a virtual private network service provider operated by the Swiss company Proton Technologies AG, the provider of ProtonMail. Just like ProtonMail, ProtonVPN is a community supported project that aims to build a safer Internet that also protects civil liberties. The service provides a strict no data logging policy, that ensures that no personal data is kept by ProtonVPN. It also has Tor integration and SecureCore servers for additional security if needed. Currently, ProtonVPN provides over 560 servers in more than 40 countries.
Baidu Browser
Baidu Browser, previously known as Baidu Spark, is a Chromium-based web browser. The browser utilize the same engine as Google Crhome while providing and attractive UI, changeable skins, video download and screenshot capture and seamless integrations with social networks like Facebook.
Midori
Midori is a free and open-source web browser based on GTK and Webkit. The browser is lightweight and fast that works cross-platform.