Life after Arc

Halo

Chromium browser with a vertical sidebar, per-space logins and a one-step Arc sidebar import.

No build yet. Closed beta is announced for Nov 17 (Arc users on macOS); the beta sign-up form is disabled ("Sign-ups open soon").

• Vertical sidebar
• Spaces
• Per-space or shared logins
• Arc sidebar import
• Pinned tabs and folders
• Tab search (⌘K)
• Auto-archive of unused tabs
• Library: history, files, notes

Why it's here: Titled "A browser for people leaving Arc"; imports Arc spaces, pinned tabs, folders and favorites from Arc's sidebar file.

Journey

Privacy-first desktop browser with a vertical sidebar, per-space "tickets", split view and built-in AI.

No public download. Roadmap shows a private beta now ("closed.14") and a public beta for macOS and Windows next; home page says "coming soon".

• Vertical sidebar with tickets (spaces)
• Live folders
• Split view, up to 4 pages
• AI via your CLI, API key or local model
• MCP for Claude Code, Cursor, Codex
• Ads, trackers, fingerprinting blocked
• Chrome extensions
• Free core; Plus sync planned

Why it's here: Vertical tab sidebar with per-space tab management ("tickets"); the site itself doesn't mention Arc.

Park

A native Mac browser that swaps the tab row for a canvas of page cards, with Spaces and Arc import.

Site is waitlist-only; an unlinked, notarized v0.2 DMG exists at parkweb.co/download/Park.dmg but isn't announced.

• Import from Arc
• Spaces with own logins
• Canvas of page cards
• Command bar (⌘K)
• Peek (Little Arc)
• Side-by-side split view
• Tidy groups
• Bring-your-own AI model

Why it's here: Its "Coming from Arc?" section maps Arc features to Park's and offers to import Spaces, pinned tabs and folders.

Photon

An independent browser built on Ladybird, with a Rust shell, Spaces and a vertical-tabs layout option.

Site only has a waitlist form; GitHub has no releases (source builds only), and the Roadmap defers installable, signed builds.

• Built on Ladybird
• Fast and private
• Spaces with pinned tabs
• Favourites per space
• Horizontal or vertical tabs
• Closes tabs unused for 12 hours
• Planned: native ad and tracker blocking
• No Chrome extensions planned

Why it's here: Spaces with their own pinned tabs and favourites, plus a vertical tabs option (from the repo docs; the site itself doesn't mention Arc).

Radian

Native Swift macOS browser on Chromium with a sidebar, Apple Passwords and passkeys; invite-only for now.

No public download. The home page is a waitlist (invite by email); a signed review build exists but asks for an 8-character access code.

• Native Swift interface on Chromium
• Native sidebar and new tab search
• Apple Passwords and passkeys
• Chrome Web Store extensions
• Clean Browsing filter lists
• Readable Downloads (on-device AI)
• No analytics or crash reporting

Why it's here: Site mentions a "native sidebar", not Arc. The review build has Spaces, pinned tabs, favorites and Arc sidebar import.

Re-Arc

Open-source WebKit browser for macOS with vertical tabs, Spaces, split view and a command bar

Early skeleton, no releases or tags. README: "Nothing is ready to download yet"; you can only build it in Xcode.

• Vertical sidebar tabs
• Pinned tabs and favorites
• Spaces
• Profiles per Space
• Command bar
• Split view
• Auto-archive inactive tabs
• Open source

Why it's here: Described as an open-source alternative to Arc: sidebar-first, Spaces, split view, command bar. Built because Arc is closed source and in maintenance.

roko

Small WebKit browser for Mac with an Arc-style sidebar, spaces and ⌘T launcher; companion to roko on iPhone.

Mac app has no releases or download; build from source (macOS 27, Xcode 27). Separate roko iPhone app is on a public TestFlight beta.

• Sidebar tabs
• Spaces
• Pinned tabs & folders
• Split View (up to 3)
• ⌘T launcher
• Little Windows & Peek
• Arc keyboard shortcuts
• Built-in ad blocking

Why it's here: README: ⌘T launcher "as in Arc", sidebar tabs, spaces, pinned tabs, folders, Split View, Arc's keyboard shortcuts, Little Windows and Peek.

Tangent

Open-source Arc-style browser with a native Rust (GPUI) UI on a de-Googled Chromium, macOS first.

No download. Site says "Join the alpha": email signup for an invite, "one email when your build is ready". Source repo is private for now.

• Swipeable spaces
• Per-space isolated profiles
• Native Rust UI (GPUI)
• Chromium, de-Googled
• Manifest V2 / uBlock Origin
• Account sync of profiles
• Built-in MCP server
• One-click export

Why it's here: Tagline "Every arc deserves a tangent"; says it starts where Arc left off: swipeable spaces, separate profiles per space.

Vela

Open-source Electron/Chromium browser with Spaces, vertical tabs, command bar, split view and Arc import

README links a latest release, but the repo has no releases or tags and the release workflow has never run (0 runs). Only buildable from source.

• Spaces
• Vertical sidebar
• Command bar
• Split view
• Peek
• Boosts
• Arc import
• Chrome Web Store extensions

Why it's here: README: "The open-source Arc browser alternative"; one-click import of the Arc sidebar, Spaces, pinned tabs, history and passwords; Arc-style shortcuts.