SigmaOS Alternatives

SigmaOS is described as 'The new home for your internet. One window. Many workspaces. All your tabs' and is a Web Browser in the web browsers category. There are more than 100 alternatives to SigmaOS for a variety of platforms, including Windows, Mac, Linux, Android and Android Tablet apps. The best SigmaOS alternative is Mozilla Firefox, which is both free and Open Source. Other great apps like SigmaOS are Zen Browser, Brave, Google Chrome and Tor Browser.

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SigmaOS alternatives page was last updated Oct 30, 2025

xScope Browser
8 likes
xScope Browser is a fast way to browse the web and your files.
Cost / License
Freemium (Pay once)
Proprietary
Application type
Web Browser
Alerts
Discontinued
Platforms
Android
Android Tablet
Is xScope Browser a good alternative to SigmaOS?
Alloy browser
6 likes
A web browser for the power user. Forget the browser window full of unsorted, jammed tabs. Alloy is built up on Tasks, of which every has its own Tablist. You only see the relevant Tabs for your current Task.
Cost / License
Free
Proprietary
Application type
Web Browser
Platforms
Mac
Is Alloy browser a good alternative to SigmaOS?
Orbitum
5 likes
Fast browser that blocks annoying ads!

Browse internet pages on your mobile phone using Orbitum for Android. It looks great with a shiny new material design and loads web pages blazing fast!.
Cost / License
Free
Proprietary
Application type
Web Browser
Alerts
Warning
Platforms
Mac
Windows
Android
+2
Is Orbitum a good alternative to SigmaOS?
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Stainless
3 likes
A Mac OS X-only multi-process web browser with candy-features such as parallel sessions, which allows you to handle different accounts for the same web service without interference.
Cost / License
Free
Proprietary
Application type
Web Browser
Alerts
Discontinued
Platforms
Mac
Is Stainless a good alternative to SigmaOS?
Odyssey Web Browser
9 likes
It has a download manager and much of the other UI features of a modern browser already separately added by its developer. Supports Adobe Flash SWF player plug-in based on Swfdec, integrated with web profiling and debugging tool called Webinspector.
Cost / License
Free
Proprietary
Application type
Web Browser
Origin
France
EU
Platforms
AROS
AmigaOS
MorphOS
Is Odyssey Web Browser a good alternative to SigmaOS?
Cruz
3 likes
A web browser that allows you to browse multiple pages simultaneously in split views. Cruz has an open Cocoa plug-in API for extending browser functionality.
Cost / License
Pay once
Proprietary
Application type
Web Browser
Origin
United States
Platforms
Mac
Is Cruz a good alternative to SigmaOS?
Fulldive Browser
3 likes
Fulldive is a browser that earns you money through passive income. Fulldive Browser is a mobile browser which lets you make money while browsing, chatting or reading your news feed. Fulldive (FD) Browser rewards you redeemable Fulldive Coins.
Cost / License
Free
Proprietary
Application type
Web Browser
Origin
United States
Platforms
Android
iPhone
iPad
Gear VR
Is Fulldive Browser a good alternative to SigmaOS?
Oryoki
4 likes
oryoki is a small web browser with a thin interface. this is an experimental project, currently in development.
Cost / License
Free
Open Source
Application type
Web Browser
Alerts
Discontinued
Platforms
Mac
+2
Is Oryoki a good alternative to SigmaOS?
Puma Browser
1 like
Puma Browser is a privacy focused mobile web browser with a new way to support creators directly.
Cost / License
Free
Proprietary
Application type
Web Browser
Origin
Ukraine
Platforms
Android
iPhone
Android Tablet
iPad
Is Puma Browser a good alternative to SigmaOS?
IBrowse
9 likes
Features include comprehensive JavaScript support, tabbed browsing, a customisable GUI layout and support for some Netscape and IE extensions. IBrowse brings web browsing under AmigaOS® and MorphOS to a new level.
Cost / License
Paid
Proprietary
Application type
Web Browser
Origin
Sweden
EU
Platforms
AmigaOS
MorphOS
+1
Is IBrowse a good alternative to SigmaOS?
Surfy Browser
2 likes
The best browser for privacy. Secure your browser with a passcode or your fingerprint. Create your own vibrant theme. Listen to pages while you browse with a text-to-speech player. Save your browsing session to a lockable tile. And much more!.
Cost / License
Free
Proprietary
Application type
Web Browser
Platforms
Android
Windows Phone
Is Surfy Browser a good alternative to SigmaOS?
BitTube browser
6 likes
BitTube browser respects your time and rewards your attention. Based on Firefox with integrated Ad blocker rewards.
Cost / License
Free
Open Source
Application type
Web Browser
Origin
Estonia
EU
Alerts
Discontinued
Platforms
Windows
Linux
+1
Is BitTube browser a good alternative to SigmaOS?