Tabby focuses on managing large numbers of browser windows and tabs without losing track of them. It is catalogued under Browser DevTools & extensions on PulseGate.

Who should use Tabby?

Tabby is an open-source project built for people who work with many browser windows and tabs.

Does Tabby have a free plan?

Yes — Tabby is open source under the Open Source license and free to use.

What platforms does Tabby run on?

Tabby runs on the web and embeddable surfaces.

Is Tabby still maintained?

Unverified. Tabby has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What are alternatives to Tabby?

Similar projects tracked by PulseGate include Kawaii Tab Tamer, Tabmanager Io, and Tab Wrangler.

Tabby is developed by Bill13579.

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Tabby

Name: Tabby
Author: Bill13579

github.comBrowser DevTools & extensions

Tabby is an open-source browser extension for organizing and managing large numbers of browser windows and tabs. It helps users handle tab-heavy browsing more efficiently through a dedicated browser interface.

Open SourceWebEmbeddable

Visit github.com

Overview

4 features

Tabby sits in PulseGate's Browser DevTools & extensions category. It focuses on managing large numbers of browser windows and tabs without losing track of them. It is built as an open-source project for people who work with many browser windows and tabs. The project is open source (Open Source). It ships for the web and embeddable surfaces.

It is developed by Bill13579, and it first shipped in 2018. Among its 4 catalogued features are window management, tab management, and tab organization.

Summary written by a language model from the project’s public pages.

Window management
Tab management
Tab organization
Browser extension

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

License

Open Source

Verified signals

HTTPSOpen SourceFree tierStore-verified publisher

Indexing history

What PulseGate has recorded for this listing

Indexed8 Sept · 00:41 UTC
Tabby - Window & Tab Manager verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Tabby

What is Tabby?: Tabby focuses on managing large numbers of browser windows and tabs without losing track of them. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Tabby?: Tabby is an open-source project built for people who work with many browser windows and tabs.
Does Tabby have a free plan?: Yes — Tabby is open source under the Open Source license and free to use.
What platforms does Tabby run on?: Tabby runs on the web and embeddable surfaces.
Is Tabby still maintained?: Unverified. Tabby has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What are alternatives to Tabby?: Similar projects tracked by PulseGate include Kawaii Tab Tamer, Tabmanager Io, and Tab Wrangler.Kawaii Tab Tamer Tabmanager Io Tab Wrangler
Who develops Tabby?: Tabby is developed by Bill13579.
How long has Tabby been around?: Tabby first shipped in 2018.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
First seen: 8 Sept 2026
Built for: people who work with many browser windows and tabs
Model: Open source
Solves: Managing large numbers of browser windows and tabs without losing track of them.

Registered as

Firefox Add-ons: tabby-window-tab-manager

Developer

Bill13579

Index record

Indexed: 8 Sept 2026
Lifecycle: Alive
First seen: Sept 2026
Last seen: 8 Sept 2026

Identity audit (13)

Slug: tabby-window-tab-manager-github-com
Lifecycle last checked: 8 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 8 Sept 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Written by a language model from the project's public pages.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 8 Sept 2026
Canonical URL: https://github.com/Bill13579/tabby

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