Sidekick Browser

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Tor Browser

Otter Browser is a cross-platform, free and open-source web browser that is designed to be very modular. With Otter Browser, the user can replace whole bookmarks manager or history viewer by the use of plugins and the built-in abstraction layer. The browser is built with the Qt WebEngine as a wrapper around Chromium and released under the GPLv3 and is available for Linux, macOS, and Windows platforms.

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.

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.

Torch is a Chromium-based web browser developed by Torch Media Inc. Torch comes packed with built-in media downloading, torrent support and sharing features, not found in other browsers. Torch Media Grabber lets you download media files directly from the browser. Torch Torrents lets you interface with magnetic links and download files with the peer-to-peer protocol BitTorrent.

Firefox Focus is a free and open-source privacy-focused mobile browser from Mozilla. With Firefox Focus you can browse the web with your Android or iOS powered mobile phone in a secure and privacy focused manner. Firefox Focus allows you to easily erase your browsing history, passwords, bookmarks and cookies and prevent unwanted ads from following you across the web.

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.