Cluster Tab Manager Alternative: What to Use Now That It's Stalled

If you searched for a Cluster alternative, you've probably noticed the same thing we did: the extension is still sitting in the Chrome Web Store, but it doesn't feel like anyone's home. No changelog entries. No response to reviews. And now, a small warning banner on its own listing page saying it "may soon no longer be supported" for not following current Chrome extension best practices.

That's not a rumor — it's Google's own in-store notice. The listing itself still shows a last-updated date from 2019. It still installs. It still runs. It just hasn't been touched in years, and Chrome is telling you so on the page.

This isn't a "Cluster is dead, panic now" post. It's still there. But an unmaintained extension holding your saved windows and tabs is a bad place to keep depending on for years to come, and if you're already searching for a replacement, you've probably felt that. Here's an honest look at what to move to.

What Cluster actually did well

Worth naming, because a good replacement should cover the same ground:

• Window and tab overview. A popup showing every open window and its tabs, so you could jump straight to one instead of alt-tabbing blind.
• Sort and declutter. Reorder or group tabs for a cleaner overview without leaving the popup.
• Suspend to save memory. Put windows/tabs to sleep so idle ones stopped eating RAM.
• Session save/restore ("projects"). Save a window's tabs as a named project, close it, and restore the whole thing later.
• Undo. Recover a tab or window you closed by accident.
• Search and filter. Find a tab by title or URL across open windows.

That's a genuinely useful feature set — which is exactly why it's worth a real replacement, not just abandoning the habit.

1. Amazing Tabs — active development, same core jobs

Disclosure: we built Amazing Tabs. We didn't build it as a direct Cluster clone, but the core jobs overlap closely, and ours ships regular updates instead of a 2019 timestamp.

Mapped to what Cluster did:

• Window/tab overview + search: Press / anywhere to instantly search every saved tab, group, or session by title — faster than Cluster's popup-and-scroll.
• Session save/restore: Save a window or a set of tabs as a session, close it, restore it later — same idea as Cluster's "projects," with cross-device sync on top.
• Suspend/memory relief: Saving and closing tabs frees the memory the same way Cluster's suspend did, since the tabs actually close rather than just going dormant.
• Undo: Closed or saved items stay retrievable, so an accidental close isn't a lost tab.
• What's different: Amazing Tabs leans on explicit save-and-close rather than Cluster's live-window suspend-in-place. If you specifically liked keeping windows open but dormant (rather than closing and restoring), that's a workflow change to expect.

Pricing:

• Free: up to 100 saved links, no card required.
• Premium: $2.90/mo billed annually ($34.80/yr), or $4.90/mo monthly. Cancel any time, 30-day refund.
• Lifetime: $99 one-time, capped at 200 founder spots.

Cluster was free, so this is a real trade-off to be upfront about: you're paying (past the free tier) for something that used to cost nothing. What you get for it is a tool someone is still actively shipping fixes and features for.

2. OneTab — the free, no-frills swap

If the Cluster feature you actually used was "collapse this mess of tabs into a list," OneTab is the closest free match, and asks nothing in return.

• One click collapses all open tabs (or the current window) into a saved list.
• Fully local, no account, no signup, no paid tier at all.
• Lists can be renamed, reordered, and shared as a public URL.

Where it doesn't match Cluster:

• No window-level suspend — it's collapse-to-list, not sleep-in-place.
• No cross-device sync yet (listed as "coming soon"; export/import only for now).
• The new search bar (added March 2026) only works on OneTab's own list page; its older address-bar keyword (11 + query) works from any tab but isn't mentioned on the list page itself.

Pick OneTab if: you mostly used Cluster's suspend/declutter feature and don't care about multi-device access. It's free and does that one job well.

3. Toby — visual boards instead of a popup list

Toby swaps Cluster's popup-list style for a new-tab-page board of tile collections.

• New tab becomes a grid of named collections you build by dragging tabs in.
• Cloud sync tied to an account, so collections follow you across devices.
• Free tier caps at 60 saved tabs; Pro ($4.50/mo billed yearly, $6/mo monthly) removes the cap.

Where it doesn't match Cluster:

• No suspend-in-place — it's a save-and-organize tool, not a live memory-management one.
• Toby does have its own popup search (press / to jump to it), but day-to-day organizing is still drag-and-drop into collections, not the quick keyboard-first popup search Cluster users are used to.

Pick Toby if: you want the "projects" side of Cluster with a nicer visual layout, and you're fine losing the live-window memory suspend feature.

4. Native Chrome tab groups + Memory Saver — the zero-extension answer

Chrome itself now covers a chunk of what Cluster did, without installing anything:

• Tab groups — name and colour-code tabs into groups, collapse them to declutter the bar.
• Memory Saver (Chrome's built-in setting) — automatically frees memory from inactive tabs, similar in spirit to Cluster's manual suspend.
• Tab search (the small dropdown arrow, top-right of the tab strip) — search open tabs by title.

Where this stops:

• No real cross-session "project" save/restore — closing a group loses it unless you'd bookmarked it first.
• No cross-device continuity beyond basic Chrome Sync of open tabs.

Pick this if: you were a light Cluster user and mostly wanted decluttering and memory relief, not saved sessions you return to weeks later.

Side-by-side: pick by what you used Cluster for

What you used in Cluster	Best replacement
Suspend tabs to save memory	OneTab, or Chrome's built-in Memory Saver
Saved "projects" you reopen later	Amazing Tabs, Toby
Popup search across open tabs	Amazing Tabs (/ search)
Visual collections you browse	Toby
Wanted it free, no account	OneTab, Chrome built-ins
Wanted it actively maintained, with sync	Amazing Tabs

The migration: what it actually takes

Cluster doesn't offer a bulk export, so this is manual, but usually quick:

1. Open Cluster's popup and list your saved projects. Most users have a handful, not dozens — Cluster projects tend to accumulate slower than open tabs do.
2. Restore each project once, so its tabs are open in a window.
3. Re-save it in your new tool — a session in Amazing Tabs, a collapsed list in OneTab, or a collection in Toby.
4. Skip anything stale. If you haven't opened a saved project in months, that's a sign to let it go rather than migrate it.

Realistic time: under an hour for most people, since Cluster's saved-project lists tend to be short.

When staying on Cluster might still make sense

We'd rather be straight about this than oversell switching:

• It still runs today, and if you rarely touch your saved projects, the risk of it breaking is low in the short term.
• You've got no cross-device needs and don't mind an occasional in-store warning banner.
• You're not ready to pick a replacement yet and just wanted to know your options first.

None of that makes it a safe long-term bet — an unmaintained extension with a Chrome Web Store warning on it is a "when," not "if," situation — but there's no need to panic-migrate today if it's still doing its job for you.

Try the actively-maintained option. Add Amazing Tabs to Chrome — free up to 100 saved links, no card required. Press / after install to search saved tabs instantly.

The honest pick

• Wanted memory relief, nothing fancy, free: OneTab or Chrome's built-in Memory Saver.
• Wanted saved "projects" with search and sync, actively maintained: Amazing Tabs.
• Wanted a visual board of collections: Toby.
• Barely used Cluster, don't want another extension at all: Chrome tab groups.

If Cluster's popup search-and-restore was the actual habit you built, Amazing Tabs is the closest match with an active roadmap behind it instead of a seven-year-old commit history.

Further reading: OneTab vs Toby vs Workona vs Amazing Tabs for the full four-way comparison.

Add Amazing Tabs to Chrome — free → Install from the Chrome Web Store. 100 saved links free, then $2.90/mo billed annually (or $4.90/mo) for unlimited and cross-device sync, $99 lifetime capped at 200 founder spots. See pricing for the full breakdown.