SigmaOS alternatives: 3 apps ranked by verified data
Common reasons people leave SigmaOS: mac only, and limited extension support. We ranked 3 alternatives by how directly each one replaces SigmaOS, then by reviews, real visits and how recently each app's facts were checked against its own website. Dia currently ranks first.
No alternatives match these filters.
Show all 3 alternativesDiscontinued alternatives
- Arc is no longer available.
The best SigmaOS alternative for…
The highest-ranked app in this list for each need.
Best SigmaOS alternative for most people
DiaArc's successor with profiles, sidebar tabs and AI, on Mac and Windows.
Best SigmaOS alternative for a free option
Zen BrowserOpen-source workspace browser on Firefox, across all desktops.
Best SigmaOS alternative for a free plan you can upgrade
OrionAnother efficient WebKit browser for Mac, with broad extension support.
Best SigmaOS alternative for open source
Zen BrowserOpen-source workspace browser on Firefox, across all desktops.
Best SigmaOS alternative for Mac
DiaArc's successor with profiles, sidebar tabs and AI, on Mac and Windows.
Best SigmaOS alternative for Windows
DiaArc's successor with profiles, sidebar tabs and AI, on Mac and Windows.
Best SigmaOS alternative for Linux
Zen BrowserOpen-source workspace browser on Firefox, across all desktops.
SigmaOS alternatives: common questions
What is the best alternative to SigmaOS?
Dia ranks first right now. Arc's successor with profiles, sidebar tabs and AI, on Mac and Windows. Orion and Zen Browser follow it in our ranking.
Is there a free alternative to SigmaOS?
Yes. Dia (free plan + paid), Orion (free plan + paid) and Zen Browser (open source) have a free option. Check each app's verified facts for current plan limits.
Is there an open-source alternative to SigmaOS?
Yes: Zen Browser.
Which SigmaOS alternatives work on Linux?
Zen Browser runs on Linux.
Why do people switch from SigmaOS?
The complaints we hear most: mac only; limited extension support; small startup behind it.
How is this list ranked?
Every app is scored with the same published formula: how directly it replaces SigmaOS, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.