Mozilla Firefox 57.0.2

Firefox is a widely used web browser. It's based on Mozillas Gecko HTML rendering and IonMonkey JavaScript engine. It supports HTML5, XML, XHTML, SVG 1.1, MathML, XSLT, CSS3, Web fonts, APNG, SSL/TLS, sandboxed JavaScript 1.8.5 with many newer DOM and WHATWG extensions. It's highly extensible and themeable, provides tabbed browsing, security and privacy features, traditional and live/smart bookmarks.

Google Chrome 41.0.2272.76

Google Chrome is a web browser using the Blink rendering and V8 JavaScript engine with broad support for HTML5 and CSS3. It's a non-FLOSS version of Chromium.

Eilat 1.5.5

Eilat provides a minimal Qt/WebKit-based browser window. It's written in Python and primarily provides keyboard interaction. It's focused on security and privacy by isolating web site instances and avoiding a cache, persistent cookie storage, but logs actually retrieved network resources. It provides limited bookmarking, but no file download support.

K-Melon 74.0RC

K-Meleon is an extremely fast, customizable, lightweight web browser for Windows. It's based on Mozillas Gecko layout engine (like Firefox). It provides a classic tabbed browser interface with lots of customization options.