Konqueror

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APUS Browser

Midori is a free and open-source web browser based on GTK and Webkit. The browser is lightweight and fast that works cross-platform.

GNOME Web or codename: Epiphany is a free and open-source web browser based on the WebKit rendering engine. The web browser is developed openly by the GNOME Project and the community for all Unix-like systems. GNOME Web is the official web browser of the Linux desktop environment GNOME.

A privacy, security and freedom focused web browser forked from Firefox. LibreWolf is always built from the latest Firefox stable source, for up-to-date security and features along with stability. It uses more than 500 privacy, security, performance settings, patches and LibreWolf-Addons, and is designed to minimize data collection and telemetry performed via Firefox's updater and crashreporter.

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.

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.

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.