Alternatives to Arc
Chromium browser organised around spaces, a sidebar and split views. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Arc
Chromium browser organised around spaces, a sidebar and split views.
Replacements
Listings that take over the same core job as Arc.
Zen Browser
A Firefox build with vertical tabs, workspaces and split view, aimed at people who found Arc appealing.
Zen Browser keeps vertical tabs, workspaces and split view but runs on Firefox instead of Chromium, is open source under MPL-2.0 and adds a Linux build.
Vivaldi
A Chromium browser for people who want tab stacks, split screen and a mail client in the same window.
Vivaldi stays on Chromium and adds tab stacking, tiling and vertical tabs plus built-in mail and calendar, with a Linux build, though it is not open source.
SigmaOS
macOS browser that organises tabs into workspaces and treats them as tasks.
SigmaOS organises tabs into named workspaces that can be marked done or locked, but it is macOS only and its free tier pushes regular users to a paid plan.
Floorp
A Firefox build from Japan with vertical tabs, workspaces, split view and web panels already wired in.
Floorp offers vertical tabs, workspaces, split view and web panels on a Firefox base, is open source and runs on Linux, but security updates arrive after Mozilla's.
Microsoft Edge
Microsoft's Chromium-based browser, bundled with Windows.
Microsoft Edge keeps Chromium and Chrome extensions, adds vertical tabs, tab groups and sleeping tabs, and runs on Linux, but it pushes Bing and Microsoft accounts.
Dia
AI-first browser with a chat sidebar that works across your tabs.
Dia replaces spaces and split view with an AI chat sidebar that reads your open tabs, runs on macOS only, and sends page content to a remote service.
Naver Whale
Korean Chromium browser with a sidebar, split tabs and built-in capture tools.
Naver Whale keeps Chromium with a sidebar and dual-tab split view, adds capture tools and a Linux build, but is tied to Naver services and aimed at Korean users.
Google Chrome
Google's browser, the Chromium-based one most web development is tested against.
Google Chrome drops spaces and the sidebar layout for a conventional Chromium browser with the largest extension library and a Linux build, tied closely to Google accounts.
Also worth comparing
These listings name Arc as their own alternative, so the relationship runs both ways.
Opera Air
A browser from Opera designed to reduce distractions, with focus support and break reminders.
Arc separates browsing into spaces with a sidebar and split view, requires an account, and now receives limited feature work from The Browser Company.
Orion
WebKit browser from Kagi that runs Safari, Chrome and Firefox extensions.
Arc is a Chromium browser built around spaces, a sidebar and split views, running Chrome extensions natively, but it needs an account and receives limited feature work.
Safari
Apple's browser, with the deepest integration into macOS and Apple devices.
Arc moves to Chromium with spaces, a sidebar and split view, runs on macOS and Windows, requires an account, and now receives limited feature work.
Shift
Workspace browser for juggling several email and SaaS accounts.
Arc separates work, personal and project browsing into free spaces, but lacks a Linux build, requires an account and now receives limited feature work.
Wavebox
Workspace browser for juggling many web apps and multiple accounts of the same service.
Arc separates browsing into spaces for free on Windows and macOS, but has no Linux build, requires an account, and receives limited feature work.
Similar software
Related functionality, not a direct replacement.
Arc Search
Mobile browser with an AI Browse for Me mode that reads pages and summarizes them.
Min
Browse with a minimal interface and grouped tabs.
