What is TST Active Tab in Collapsed Tree?

TST Active Tab in Collapsed Tree focuses on finding the last active tab when a Tree Style Tab branch is collapsed. It is catalogued under Browser DevTools & extensions on PulseGate.

Who should use TST Active Tab in Collapsed Tree?

TST Active Tab in Collapsed Tree is an open-source project built for firefox users who organize tabs with Tree Style Tab.

Does TST Active Tab in Collapsed Tree have a free plan?

Yes — TST Active Tab in Collapsed Tree is open source under the Open Source license and free to use.

What platforms does TST Active Tab in Collapsed Tree run on?

TST Active Tab in Collapsed Tree runs on the web, embeddable surfaces, macOS, Windows, and Linux.

Is TST Active Tab in Collapsed Tree still active?

Unverified. TST Active Tab in Collapsed Tree 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 TST Active Tab in Collapsed Tree?

Similar projects tracked by PulseGate include TST Lock Tree Collapsed, Issues, and Issues.

Who makes TST Active Tab in Collapsed Tree?

TST Active Tab in Collapsed Tree is developed by piroor.

When did TST Active Tab in Collapsed Tree launch?

TST Active Tab in Collapsed Tree first shipped in 2020.

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TST Active Tab in Collapsed Tree

Name: TST Active Tab in Collapsed Tree
Author: piroor

github.comBrowser DevTools & extensions

TST Active Tab in Collapsed Tree is an open-source Firefox extension for Tree Style Tab. It adds UI that identifies the last active tab within a collapsed tab tree, helping users navigate hierarchical browser tabs.

Open SourceWebEmbeddablemacOSWindowsLinux

TST Active Tab in Collapsed Tree preview

Visit github.com

Overview

4 features

TST Active Tab in Collapsed Tree sits in PulseGate's Browser DevTools & extensions category. It focuses on finding the last active tab when a Tree Style Tab branch is collapsed. TST Active Tab in Collapsed Tree is an open-source project aimed at firefox users who organize tabs with Tree Style Tab. The project is open source (Open Source). It ships for the web, embeddable surfaces, macOS, Windows, and Linux.

It is developed by piroor, and it first shipped in 2020. Key capabilities include collapsed tree indicator, last active tab display, and Tree Style Tab support.

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

Collapsed tree indicator
Last active tab display
Tree Style Tab support
Firefox integration

Built with & integrations

Runs on

BrowserEmbeddablemacOSWindowsLinux

Trust & compliance

License

Open Source

Verified signals

HTTPSOpen SourceFree tierStore-verified publisher

Indexing history

What PulseGate has recorded for this listing

Indexed11 Sep · 16:55 UTC
TST Active Tab in Collapsed Tree verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about TST Active Tab in Collapsed Tree

What is TST Active Tab in Collapsed Tree?: TST Active Tab in Collapsed Tree focuses on finding the last active tab when a Tree Style Tab branch is collapsed. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use TST Active Tab in Collapsed Tree?: TST Active Tab in Collapsed Tree is an open-source project built for firefox users who organize tabs with Tree Style Tab.
Does TST Active Tab in Collapsed Tree have a free plan?: Yes — TST Active Tab in Collapsed Tree is open source under the Open Source license and free to use.
What platforms does TST Active Tab in Collapsed Tree run on?: TST Active Tab in Collapsed Tree runs on the web, embeddable surfaces, macOS, Windows, and Linux.
Is TST Active Tab in Collapsed Tree still active?: Unverified. TST Active Tab in Collapsed Tree 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 TST Active Tab in Collapsed Tree?: Similar projects tracked by PulseGate include TST Lock Tree Collapsed, Issues, and Issues.TST Lock Tree Collapsed Issues Issues
Who makes TST Active Tab in Collapsed Tree?: TST Active Tab in Collapsed Tree is developed by piroor.
When did TST Active Tab in Collapsed Tree launch?: TST Active Tab in Collapsed Tree first shipped in 2020.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
First seen: 11 Sep 2026
Built for: Firefox users who organize tabs with Tree Style Tab
Model: Open source
Solves: Finding the last active tab when a Tree Style Tab branch is collapsed.

Registered as

Firefox Add-ons: tst-active-tab-in-collapsed-tr

Developer

piroor

Index record

Indexed: 11 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 11 Sep 2026

Identity audit (13)

Slug: tst-active-tab-in-collapsed-tree-github-com
Lifecycle state recorded: 11 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 11 Sep 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: 11 Sep 2026
Canonical URL: https://github.com/piroor/tst-active-tab-in-collapsed-tree

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