Tabbit
AI smart tab groups + vertical sidebar
Free · macOS & Windows
Auto-groups tabs by topic, runs Agent tasks in isolated tab groups while you keep browsing.
AI groupingAgent tab groupsVertical tabsAI smart groupsTab groups
Updated Feb 2026 · Filter by workspace style
Browsers with Workspaces
Seventeen names show up in roundups—but only a handful ship real workspaces out of the box. Filter by how each browser separates your contexts, then see why Tabbit turns grouping into an AI-native work surface.
Show browsers with
The 2026 workspace roster
Eight browsers people actually mean when they search “browsers with workspaces.” Tap a filter above to narrow the wall.
V
Vivaldi
Named workspaces + tab stacks
No cross-device workspace sync
Power-user favorite—workspaces pair with tab tiling and deep customization.
WorkspacesTab stacksTilingNative workspacesTab groups
O
Opera / Opera GX
GX Workspaces in sidebar
Local only—no sync between devices
Fast context switching with icons and hotkeys; popular on Reddit threads.
WorkspacesSidebarHotkeysNative workspaces
M
Microsoft Edge
Workspaces + Collections
Syncs via Microsoft account ✅
Strongest sync story in the Chromium camp—color-coded workspaces across devices.
WorkspacesSyncCollectionsNative workspacesTab groups
A
Arc
Spaces (per profile)
macOS-first · limited Windows
Spaces feel like separate desks—great if you want a design-led browser.
SpacesProfilesSplit viewSpaces / profiles
Z
Zen Browser
Workspaces + vertical tabs
Firefox-based · local workspaces
Community pick for vertical tabs plus lightweight workspaces without Chromium.
WorkspacesVertical tabsFirefoxNative workspacesTab groups
S
SigmaOS
Workspaces as day-based lanes
Cloud sync on paid tiers
Treats the browser like an OS—workspaces map to focused work blocks.
WorkspacesLanesProductivity OSSpaces / profiles
S
Shift
App-specific workspaces
Account-based app switching
Workspaces bundle web apps (Gmail, Slack, etc.) into one window.
App workspacesMulti-accountNative workspaces
Workspace signals at a glance
Quick scan before you download—what matters when projects pile up.
| Browser | Native WS | Tab groups | Cross-sync | Vertical tabs | AI grouping |
|---|---|---|---|---|---|
 Tabbit | — | ✓ Smart | Free tier | ✓ Built-in | ✓ Auto + Agent |
| Vivaldi | ✓ | ✓ Stacks | — | ✓ Optional | — |
| Opera / Opera GX | ✓ | Tab islands | — | — | Chat sidebar |
| Microsoft Edge | ✓ | ✓ | ✓ Best | — | Copilot |
| Arc | Spaces | ✓ | Partial | Sidebar | — |
| Zen Browser | ✓ | ✓ | — | ✓ | — |
| SigmaOS | ✓ Lanes | ✓ | Paid | ✓ | — |
| Shift | App WS | — | Account | — | — |
Beyond static workspaces
Why Tabbit belongs on this list
Classic workspaces hide tabs—you still manage them. Tabbit groups tabs by topic automatically, keeps vertical labels readable, and runs Agent work in parallel tab groups so research and execution do not collide.
Smart tab groups
AI sorts open tabs into project lanes—no manual drag across workspace buttons.
Agent in isolated groups
Long tasks run in their own tab group while you stay in your current flow.
@ context from what you see
Reference tabs, shots, or files from the omnibox—workspace memory without copy-paste.
Free on Mac & Windows
Leading models included—no invite code for the workspace browser you can use today.
Common questions
Browsers with workspaces — FAQ
Which browsers have workspaces built in?+
Vivaldi, Opera/Opera GX, Microsoft Edge, Zen Browser, and Shift ship named workspaces or space-like containers. Arc uses Spaces; SigmaOS uses workspace lanes. Tabbit adds AI smart groups plus vertical tabs on macOS and Windows.
What is the difference between workspaces and tab groups?+
Workspaces are persistent contexts—you switch entire sets of tabs. Tab groups organize tabs inside one window. The best setups (Vivaldi, Edge, Tabbit) combine both so projects stay isolated without losing flexibility.
Do browser workspaces sync across devices?+
Microsoft Edge currently leads Chromium browsers with workspace sync under your Microsoft account. Opera and Vivaldi workspaces stay on the local machine. Tabbit focuses on smart grouping and Agent tab groups rather than cloud workspace mirroring.
Are there browsers with workspaces like Arc?+
Arc Spaces inspired many searches. Close alternatives include SigmaOS lanes, Zen workspaces with vertical tabs, and Vivaldi workspaces with heavier customization. Tabbit targets the same multi-project user with AI grouping instead of manual space setup.
Is Opera GX the only gaming browser with workspaces?+
Opera GX popularized sidebar workspaces for gaming/work splits, but Vivaldi, Edge, and Zen also offer workspace switching. GX stands out for icons, hotkeys, and gamer aesthetics—not exclusive workspace tech.
Can an AI browser replace workspace extensions?+
Extensions can group tabs but rarely understand project intent. Tabbit auto-groups by topic, runs agents in separate tab groups, and keeps vertical labels readable—reducing the extension stack power users often need.
What is the best browser with workspaces for Windows 11?+
Edge syncs workspaces across PCs; Vivaldi and Opera GX work well locally. Tabbit is free on Windows 11 with AI smart groups, vertical tabs, and Agent mode—strong if you want workspaces plus execution, not just hiding tabs.
Is Tabbit free to use as a workspace browser?+
Yes. Tabbit is free on macOS and Windows with no invite code. You get smart tab groups, vertical sidebar, and Agent tab groups included—visit tabbitbrowser.com or tabbit-ai.com for your region.
Ready for workspaces that work back?
Download Tabbit—AI groups your tabs, Agent runs in parallel, and your contexts stay readable in a vertical sidebar.