For an open source web browser alternative to Microsoft Edge, the first results are win32ss/supermium (Supermium is a Chromium-based web browser with extension support and privacy features, though its primary focus is on bringing modern web compatibility to legacy versions of Windows rather than cross-platform synchronization), waterfoxco/waterfox (Waterfox is an open-source, privacy-focused web browser with extension support and cross-platform availability, though it is built on the Firefox engine rather than Chromium) and brave/browser-laptop (Brave is a privacy-focused, Chromium-based browser with built-in ad blocking and cross-platform support, though this specific legacy repository lacks modern extension compatibility and native sync features found in the main project). brave/brave-browser and minbrowser/min round out the shortlist. Compare the match explanations and check the project documentation against your requirements.
We curate open-source GitHub repositories matching “open source alternatives to Microsoft Edge browser”. Results are ranked by relevance to your query — pick filters below to narrow, or refine with AI.
Supermium is a Chromium-based web browser backported to run on legacy versions of Windows. It uses an abstraction layer to adapt modern engine requirements, enabling contemporary web browsing on older operating systems that lack native support for current Chromium versions. The project integrates content decryption modules to allow the playback of DRM-protected media streams on unsupported platforms. It also features the ability to disable machine-specific encryption, allowing user profiles to be portable across different hardware installations. The browser includes a functional sandbox to i
Supermium is a Chromium-based web browser with extension support and privacy features, though its primary focus is on bringing modern web compatibility to legacy versions of Windows rather than cross-platform synchronization.
Waterfox is a cross-platform web browser built on the Firefox engine. It functions as a privacy-focused browsing platform designed to render web content and navigate the internet across multiple operating systems. The browser is distinguished by its removal of telemetry and tracking to prevent data collection and user profiling. It maintains compatibility with both modern and classic browser extensions, allowing users to modify functionality and the visual user interface. The project covers broad capabilities in cross-platform web rendering and customizable browser experiences, utilizing a b
Waterfox is an open-source, privacy-focused web browser with extension support and cross-platform availability, though it is built on the Firefox engine rather than Chromium.
Brave is a privacy-focused desktop browser built on Chromium that blocks ads and trackers by default, and includes an integrated AI assistant and a built-in VPN client. It is available for Windows, macOS, and Linux, and can be deployed across organizations using enterprise group policies for managed configuration. The browser distinguishes itself by combining default ad and tracker blocking with a system-level VPN that encrypts all device traffic, and an AI assistant that answers questions and generates text content directly within the browsing interface. It also supports private browsing and
Brave is a privacy-focused, Chromium-based browser with built-in ad blocking and cross-platform support, though this specific legacy repository lacks modern extension compatibility and native sync features found in the main project.
Brave is a privacy-centric web browser built on the Chromium engine. It functions as a cross-platform navigation tool designed to protect user data by automatically blocking trackers and advertisements by default. The browser distinguishes itself through integrated search capabilities that allow for programmatic control over query execution and data retrieval. It provides a platform for custom search engine development, enabling users to apply specific ranking rules, filter content based on geographic or temporal constraints, and enrich results with real-time structured data. Beyond its core
Brave is a cross-platform, Chromium-based web browser built around privacy with native ad and tracker blocking, fulfilling the core search requirements.
Min is a minimalist, privacy-focused web browser designed to limit data collection and remove interface clutter. It serves as an ad-blocking tool that prevents tracking scripts and advertisements from loading to improve page speed and protect user identity. The browser differentiates itself through organized tab management, where related tabs are grouped into named tasks to separate work streams. It features a tag-based bookmark manager that replaces traditional hierarchical folders with custom labels and provides a simplified reader view to strip away non-essential page elements for focused
Min is a privacy-focused open-source web browser featuring built-in ad blocking and unique tab management, though it uses Electron rather than traditional Chromium and lacks a built-in cross-platform sync ecosystem.
Waterfox is a privacy-focused web browser built on a fork of the Gecko engine that removes all telemetry and tracking code while preserving full extension compatibility. It encrypts DNS queries through independent third-party resolvers to prevent centralized monitoring of browsing destinations, and organizes browser tabs into hierarchical parent-child trees with collapsible branches and keyboard-driven navigation. The browser maintains a backward-compatible runtime bridge that supports both legacy XUL-based add-ons and modern WebExtensions simultaneously, allowing users to keep using older or
Waterfox is an open-source, privacy-focused web browser with extension support and cross-platform builds, though it is built on a Gecko engine fork rather than Chromium.
Thorium is a web browser built from the Chromium project, designed for high performance and expanded compatibility. It utilizes aggressive compiler optimizations and CPU-specific instruction sets, such as AVX2 and SIMD, to increase page rendering and JavaScript execution speeds. The project distinguishes itself by providing custom builds that enable modern web browsing on legacy versions of Windows and Linux. It further diverges from standard browser implementations by integrating Widevine DRM and native support for high-efficiency media formats, including HEVC and JPEG XL. Broad capabilitie
Thorium is a Chromium-based browser focused on performance and compatibility that serves as a solid alternative to standard browsers, though it lacks built-in self-hosted sync features.
This project is an open-source desktop web browser built on the Gecko rendering engine. It is designed to prioritize user privacy and security, utilizing a multi-process architecture to isolate web content and maintain a secure sandbox environment for all browsing activities. The browser distinguishes itself through a highly modular interface engine that allows users to customize visual layouts and functional behaviors using style sheets and community-developed modifications. It supports advanced productivity workflows by enabling users to synchronize navigation state across multiple windows,
Zen Browser is a privacy-focused desktop browser built on Firefox with support for extensions, custom styling, and modern web navigation features, though it uses the Gecko engine rather than Chromium.
This project is a Chromium-based mobile browser and rendering engine designed for mobile platforms. It functions as a web extension host, allowing the execution of browser extensions within a mobile environment to provide custom functionality. The project distinguishes itself through custom user interface modifications, such as the implementation of a specialized night mode and the relocation of the address bar for improved ergonomics. It also includes a remote debugging interface and protocol that allow an external developer console to connect to a live browser instance for inspecting and tr
This repository provides the Chromium-based source code for a mobile browser with extension support and custom interface modifications, though it lacks the desktop support and cross-platform synchronization features requested.
Firefox is a cross-platform web browser engine designed to render web content, execute JavaScript, and manage secure browsing sessions. It utilizes a multi-process isolation architecture that distributes browser tasks across independent operating system processes to ensure stability and prevent site-specific failures from impacting the entire application. The engine incorporates a sandboxed execution environment to restrict web content and untrusted scripts to isolated memory compartments, enforcing security policies that prevent unauthorized access to system resources. The project distinguis
Firefox is an open-source web browser providing cross-platform support and extension capabilities, though it relies on its own Gecko engine rather than Chromium and uses Mozilla's sync infrastructure instead of self-hosting.
Ungoogled Chromium is a desktop web browser derived from the open-source Chromium codebase, modified to remove all background communication with external services and proprietary dependencies. It functions as a privacy-focused distribution that ensures user data remains local by eliminating telemetry hooks and data collection integrations. The project distinguishes itself through extensive source-code pruning and domain-substitution patching, which replace hardcoded service URLs with non-functional placeholders to prevent unauthorized data transmission. It further hardens the browser runtime
Ungoogled Chromium is a privacy-focused web browser built on the Chromium engine that strips out telemetry and external services, though it lacks built-in sync features out of the box.
Ungoogled-Chromium is a privacy-focused web browser based on Chromium that is stripped of background requests and telemetry to prevent data collection by third parties. It functions as a hardened environment created by removing built-in service integrations and blocking runtime requests to stop automatic data transmission to remote servers. The project distinguishes itself through source-code level modifications, including the replacement of specific domain strings with non-existent alternatives to block network connections. It utilizes static build-time service removal to eliminate telemetry
Ungoogled-Chromium is a privacy-focused web browser based on the Chromium engine with strong telemetry stripping, though it requires manual setup for extension stores and lacks built-in sync features out of the box.
Floorp is a privacy-focused web browser built on the Firefox engine. It functions as a customizable browser shell that allows users to modify the layout and functional behavior of the interface. The project emphasizes a customizable browser interface, enabling the organization and arrangement of toolbars, sidebars, and menus to create a personalized workspace. It integrates privacy-focused browsing and secure online navigation to minimize data tracking and protect user identity from third-party observers. Additional capabilities include eco-friendly internet usage designed to reduce the envi
Floorp is a privacy-focused open-source web browser that supports extensions and extensive UI customization, though it is built on the Firefox engine rather than Chromium and uses Firefox-based synchronization rather than a self-hosted Edge alternative.
qutebrowser is a keyboard-driven web browser built on the Qt framework and the Chromium-based rendering engine. It provides a minimalist interface that prioritizes content visibility by removing traditional toolbars and visual clutter, relying instead on a command-line interaction model for navigation and browser control. The browser is designed for users who prefer to manage web tasks through rapid keystrokes rather than mouse-based graphical interfaces. It includes an integrated document viewer that renders PDF files directly within the application window, removing the need for external sof
qutebrowser is an open-source, Chromium-backed browser that offers modern web compatibility and keyboard-driven navigation, though it lacks built-in ad blocking and cross-platform sync out of the box.
| Repository | Stars | Language | License | Last push |
|---|---|---|---|---|
| win32ss/supermium | 4.1K | C++ | bsd-3-clause | |
| waterfoxco/waterfox | 6K | JavaScript | NOASSERTION | |
| 7.9K |
| JavaScript |
| NOASSERTION |
| brave/brave-browser | 21.7K | — | mpl-2.0 |
| minbrowser/min | 9K | JavaScript | Apache-2.0 |
| browserworks/waterfox | 6K | JavaScript | NOASSERTION |
| alex313031/thorium | 6.8K | C++ | bsd-3-clause |
| zen-browser/desktop | 42.9K | JavaScript | MPL-2.0 |
| kiwibrowser/src | 2.9K | — | other |
| mozilla-firefox/firefox | 11.3K | JavaScript | other |