Who should use TST Change Close Tab Button Behavior?

TST Change Close Tab Button Behavior is an open-source project built for firefox users who use Tree Style Tab.

Is TST Change Close Tab Button Behavior free?

Yes — TST Change Close Tab Button Behavior is open source under the Open Source license and free to use.

What platforms does TST Change Close Tab Button Behavior run on?

TST Change Close Tab Button Behavior runs on the web, embeddable surfaces, macOS, Windows, and Linux.

Is TST Change Close Tab Button Behavior still active?

Unverified. TST Change Close Tab Button Behavior 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 TST Change Close Tab Button Behavior?

Similar projects tracked by PulseGate include TST Lock, TST Focus Preceding Tab On Close, and TST Mark Tabs.

Who develops TST Change Close Tab Button Behavior?

TST Change Close Tab Button Behavior is developed by rinsuki.

How long has TST Change Close Tab Button Behavior been around?

TST Change Close Tab Button Behavior first shipped in 2019.

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TST Change Close Tab Button Behavior

Name: TST Change Close Tab Button Behavior
Author: rinsuki

github.comBrowser DevTools & extensions

TST Change Close Tab Button Behavior is an open-source Firefox extension for users of Tree Style Tab. It modifies the behavior of buttons used to close tabs in the Tree Style Tab sidebar.

Open SourceWebEmbeddablemacOSWindowsLinux

Visit github.com

Overview

3 features

In the Browser DevTools & extensions space, TST Change Close Tab Button Behavior takes a focused approach. It focuses on changing the default close-button behavior in Firefox's Tree Style Tab interface. It is built as an open-source project for firefox users who use Tree Style Tab. The project is open source (Open Source). It runs on the web, embeddable surfaces, macOS, Windows, and Linux.

Behind TST Change Close Tab Button Behavior is rinsuki, and it first shipped in 2019. Key capabilities include close button behavior, Tree Style Tab support, and firefox integration.

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

Close button behavior
Tree Style Tab support
Firefox integration

Built with & integrations

Connectors

chrome

Runs on

BrowserEmbeddablemacOSWindowsLinux

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

Indexed12 Sep · 09:52 UTC
TST Change Close Tab Button Behavior verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about TST Change Close Tab Button Behavior

What does TST Change Close Tab Button Behavior do?: TST Change Close Tab Button Behavior focuses on changing the default close-button behavior in Firefox's Tree Style Tab interface. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use TST Change Close Tab Button Behavior?: TST Change Close Tab Button Behavior is an open-source project built for firefox users who use Tree Style Tab.
Is TST Change Close Tab Button Behavior free?: Yes — TST Change Close Tab Button Behavior is open source under the Open Source license and free to use.
What platforms does TST Change Close Tab Button Behavior run on?: TST Change Close Tab Button Behavior runs on the web, embeddable surfaces, macOS, Windows, and Linux.
Is TST Change Close Tab Button Behavior still active?: Unverified. TST Change Close Tab Button Behavior 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 TST Change Close Tab Button Behavior?: Similar projects tracked by PulseGate include TST Lock, TST Focus Preceding Tab On Close, and TST Mark Tabs.TST Lock TST Focus Preceding Tab On Close TST Mark Tabs
Who develops TST Change Close Tab Button Behavior?: TST Change Close Tab Button Behavior is developed by rinsuki.
How long has TST Change Close Tab Button Behavior been around?: TST Change Close Tab Button Behavior first shipped in 2019.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
First seen: 12 Sep 2026
Built for: Firefox users who use Tree Style Tab
Model: Open source
Solves: Changing the default close-button behavior in Firefox's Tree Style Tab interface.

Registered as

Firefox Add-ons: tst-change-close-tab-button-be

Developer

rinsuki

Index record

Indexed: 12 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 12 Sep 2026

Identity audit (13)

Slug: tst-change-close-tab-button-behavior-github-com
Lifecycle state recorded: 12 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 12 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: 12 Sep 2026
Canonical URL: https://github.com/rinsuki/tst-change-close-tab-button-behavior

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