Best Zen Browser Alternatives & Competitors in 2025

DuckDuckGo AI Chat is a free beta feature that allows you to have anonymous conversations with 3rd-party AI chat models.

The smart AI assistant built right in your browser. Ask questions, get answers, with unparalleled privacy.

Verify your customers in under 15 seconds anywhere in the world with a cutting-edge SaaS & API platform for Identity Verification and AML/KYC compliance.

Try for free freemium $0.1 (per credit)

Google Cloud Machine Learning is a service that enables user to easily build machine learning models, that work on any type of data, of any size.

Open Source

Get the browsers that put your privacy first — and always have

Fast and secure, ad and tracker blocking browser.

Open Source

Tor is free software for enabling anonymous communication.

Open Source

Google Chrome is a fast, secure, and free web browser, built for the modern web. Give it a try on your desktop today.

LibreWolf, the community-maintained fork of Librefox: a privacy and security-focused browser.

Waterfox is a version of Firefox that has been optimized for 64-bit operating systems.

Vivaldi is a free, fast web browser designed for power-users. You decide how you browse. Download Vivaldi's fully customisable browser now and browse your way.

Chromium is the open-source browser project from which Google Chrome takes its source.

Opera is a browser with innovative features, speed and security.

Privacy-preserving Firefox-based browser with Chromium-like UI and features