Culltron Browser
Workspace browser · open-source based · free

A browser that's part of your workspace.

Culltron Browser is a focused, privacy-aware browser built on proven open-source technology — native to the ecosystem, governed by Sentinel, and Aria-ready in Ultra X26 and Secure. The web, inside Culltron.

Culltron Workspace
Docs
culltron.tech/workspace Secured
Workspace
Workspace
Docs
App Hub
Pinned
Ask Aria about this page — Ultra & Secure
Built different

Focused, private, and yours.

Workspace-native
Tabs, pins and sessions live inside your Culltron workspace — not a separate silo.
Private by default
Tracker and fingerprint resistance on by default. Your browsing stays yours.
Governed by Sentinel
Sandboxed and host-allow-listed — every page runs under Sentinel’s rules.
Aria in Ultra & Secure
Ask Aria to summarise, extract or act on a page — in Ultra X26 and the Secure OS.
Open-source based
Built on proven open-source browser technology, with public attributions.
Fast & local-first
Lightweight, responsive, and offline-aware — opens with the rest of your OS.
Built on open-source technology.

Culltron Browser is built on proven open-source browser technology. We publish full attributions and licenses in our open-source notices, and contribute fixes upstream where we can.

Open-source notices
The web, inside Culltron

Browse as part of your workspace.

Free with Culltron OS and the Secure edition. Private by default, governed by Sentinel, Aria-ready in Ultra X26.

© 2026 Culltron. Engineered in South Africa. Local-first by design. BYO voice provider ready