Zen Browser Emerges as a Lean Open Source Alternative to Arc and Dia

By Terrence O’Brien · The Verge · 2026-10-25

The Verge reports that the Zen Browser is gaining traction as a streamlined alternative for users displaced by the transition from Arc to the AI-focused Dia. This Firefox-based project adopts the vertical tab layout and workspace organization of its predecessor while intentionall

The Verge reports that the Zen Browser is gaining traction as a streamlined alternative for users displaced by the transition from Arc to the AI-focused Dia. This Firefox-based project adopts the vertical tab layout and workspace organization of its predecessor while intentionall