Browser using the Gecko layout engine to render web pages, which implements current and anticipated web standards.
Cost / License
- Free
- Open Source (MPL-2.0)
Application type
Platforms
- Android
- F-Droid
- OpenAPK
- Global
Sigma AI Browser Alternatives
Apps similar to Sigma AI Browser include Mozilla Firefox, which is free and open source. Other options are Zen Browser, Brave, Google Chrome and Tor Browser. Web Browsers like Sigma AI Browser are a crowded field, with more than 50 alternatives for Mac, Windows, Linux, Android and iPhone.
Alternatives list
- 212 Fennec F-Droid alternatives
245 Microsoft Edge alternativesChromium-based web browser for Windows, macOS, Linux, iOS, and Android with Chrome extension support, smart security, privacy tools, syncing of history and bookmarks, immersive reader, PDF tools, Collections for organizing content, and customizable new tab layouts.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- HUAWEI AppGallery
- iPad
- Flathub
- Samsung Galaxy Store
- Xbox
- Chocolatey
United States
+1
209 Pale Moon alternativesThis open-source Goanna-based browser for Windows, Linux, Mac, and FreeBSD offers customization, security, and privacy. Forked from Firefox, it's optimized for modern processors, ad-free, and supports unique extensions, community-backed. Comes with a functional status bar, supports NPAPI plugins.
Cost / License
- Free
- Open Source (MPL-2.0)
Application type
Platforms
- Mac
- Windows
- Linux
- BSD
Sweden
EU
+1
66 Ladybird alternativesLadybird is an open-source web browser currently in development, with an alpha version expected to launch in 2026.
Cost / License
- Free
- Open Source (BSD-2-Clause)
Application type
Platforms
- Mac
- Linux
- Haiku
- Sweden
- EU
31 BrowserOS alternativesBrowserOS is an open-source agentic browser that runs AI agents locally. Your privacy-first alternative to Perplexity Comet.
Cost / License
- Free
- Open Source (AGPL-3.0)
Application type
Platforms
- Mac
- Windows
- Linux
- United States
213 Safari alternativesThe best browser for your Mac is the one that comes with your Mac. Safari is faster and more energy efficient than other browsers. Handy tools help you save, find, and share your favorite sites. Built-in privacy features help keep your browsing your business.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Mac
- iPhone
- iPad
- United States
+4
187 Firefox Developer Edition alternativesFirefox Developer Edition brings you latest features, fast performance, and the development tools you need to build for the open web. Its powerful development tools will extend your ability to work across multiple platforms from one place.
Cost / License
- Free
- Open Source (MPL-2.0)
Application type
Platforms
- Mac
- Windows
- Linux
- PortableApps.com
- United States
+2
34 Perplexity Comet alternativesIntelligent browser offering AI search, contextual sidebar for instant content analysis, agent-driven automations like booking or emailing, privacy-first data handling, seamless Chrome extension support, and unified management of web tasks for work and personal use.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Mac
- Windows
- Android
- United States
+1
196 SeaMonkey alternativesWeb-browser, advanced e-mail, newsgroup and feed client, IRC chat, and HTML editing in one application. Itis built on the open source Mozilla Gecko engine, the same code which underlies Thunderbird and is the base for the Firefox browser.
Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- BSD
- PortableApps.com
Germany- EU
+3
109 Deta Surf alternativesWorkspace fusing browsing, file management, and AI with local-first data; offers note-taking, applet creation, offline media storage, YouTube and PDF interaction, customizable AI-powered notes, citation tools, split views, sidebar navigation, and privacy features.
Cost / License
- Free
- Open Source (Apache-2.0)
Application type
Platforms
- Mac
- Windows
- Linux
- Germany
- EU
+9
131 Firefox Focus alternativesFirefox Focus is the Mozilla-made browser that considers your privacy first and foremost. By default, it blocks ad-trackers and it helps keep things secure by providing easy ways to clear your browsing history, including passwords and cookies.
Cost / License
- Free
- Open Source (MPL-2.0)
Application type
Platforms
- Android
- iPhone
- Android Tablet
- iPad
- Samsung Galaxy Store
- Safari
- visionOS
- United States
200 Falkon alternativesFalkon, formerly QupZilla, is a QtWebEngine based cross-platform web browser.
It aims to be a lightweight web browser available through all major platforms.
Falkon has all standard functions you expect from a web browser. It includes bookmarks, history (both also in sidebar).
Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- Linux
- KDE Plasma
- Flathub
- Haiku
- Snapcraft
- Germany
- EU
