What does TabLight do?

TabLight focuses on finding tabs that already contain links you are about to open. It is catalogued under Browser DevTools & extensions on PulseGate.

TabLight is an open-source project built for firefox users who manage many open tabs.

Does TabLight have a free plan?

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

What platforms does TabLight run on?

TabLight runs on the web and embeddable surfaces.

Is TabLight still maintained?

Unverified. TabLight 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 projects are similar to TabLight?

Similar projects tracked by PulseGate include TabLantern, Tab Highlighter, and Active Tab Highlighter.

Who develops TabLight?

TabLight is developed by xXMacMillanXx.

When did TabLight launch?

TabLight first shipped in 2025.

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TabLight

Name: TabLight
Author: xXMacMillanXx

github.comBrowser DevTools & extensions

TabLight is an open-source Firefox extension that highlights tabs when you hover over links already open in another tab. It helps users identify existing pages and reduce duplicate tabs while browsing.

Open SourceWebEmbeddable

Visit github.com

Overview

4 features

TabLight is a Browser DevTools & extensions project. It focuses on finding tabs that already contain links you are about to open. TabLight is an open-source project aimed at firefox users who manage many open tabs. The project is open source (Open Source). TabLight is available on the web and embeddable surfaces.

xXMacMillanXx builds and maintains TabLight, and it first shipped in 2025. Among its 4 catalogued features are duplicate link detection, tab highlighting, and hover detection.

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

Duplicate link detection
Tab highlighting
Hover detection
Firefox integration

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

License

Open Source

Verified signals

HTTPSPrivacy Policy Terms of ServiceOpen SourceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed16 Sep · 07:36 UTC
Tab_Licht verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about TabLight

What does TabLight do?: TabLight focuses on finding tabs that already contain links you are about to open. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is TabLight for?: TabLight is an open-source project built for firefox users who manage many open tabs.
Does TabLight have a free plan?: Yes — TabLight is open source under the Open Source license and free to use.
What platforms does TabLight run on?: TabLight runs on the web and embeddable surfaces.
Is TabLight still maintained?: Unverified. TabLight 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 projects are similar to TabLight?: Similar projects tracked by PulseGate include TabLantern, Tab Highlighter, and Active Tab Highlighter.TabLantern Tab Highlighter Active Tab Highlighter
Who develops TabLight?: TabLight is developed by xXMacMillanXx.
When did TabLight launch?: TabLight first shipped in 2025.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
Built for: Firefox users who manage many open tabs
Model: Open source
Solves: Finding tabs that already contain links you are about to open.

Registered as

Firefox Add-ons: tab_light

Developer

xXMacMillanXx

Index record

Indexed: 16 Sep 2026
Lifecycle: Alive
Last seen: 16 Sep 2026

Identity audit (13)

Slug: tab-licht-github-com
Lifecycle state recorded: 16 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 16 Sept 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
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: 16 Sept 2026
Canonical URL: https://github.com/xXMacMillanXx/tablight-plugin

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