What does Firefox Notabs do?

Firefox Notabs focuses on preventing tab creation and tab-based browsing in Firefox. It is catalogued under Browser DevTools & extensions on PulseGate.

Who is Firefox Notabs for?

Firefox Notabs is an open-source project built for firefox users who want a single-page browsing experience.

Is Firefox Notabs free?

Yes — Firefox Notabs is free to use.

What platforms does Firefox Notabs run on?

Firefox Notabs runs on the web and embeddable surfaces.

Is Firefox Notabs still active?

Unverified. Firefox Notabs 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 Firefox Notabs?

Similar projects tracked by PulseGate include No Tabs, Tab-less, and TabNotes.

Who makes Firefox Notabs?

Firefox Notabs is developed by adsum.

When did Firefox Notabs launch?

Firefox Notabs first shipped in 2018.

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Firefox Notabs

Name: Firefox Notabs
Author: adsum

gitlab.comBrowser DevTools & extensions

Firefox WebExtension to disable tabs - https://addons.mozilla.org/en-US/firefox/addon/adsum-notabs/

FreeWebEmbeddable

Visit gitlab.com

Overview

3 features

Firefox Notabs sits in PulseGate's Browser DevTools & extensions category. It focuses on preventing tab creation and tab-based browsing in Firefox. Firefox Notabs is an open-source project aimed at firefox users who want a single-page browsing experience. Firefox Notabs is free to use. It runs on the web and embeddable surfaces.

Behind Firefox Notabs is adsum, and it first shipped in 2018. Key capabilities include tab disabling, firefox integration, and single-page browsing.

Tab disabling
Firefox integration
Single-page browsing

Built with & integrations

Framework

Rails

Hosting

Cloudflare

AI providers

openai

Runs on

BrowserEmbeddable

Detected from

Cloudflare: cf-ray header · cf-cache-status header

Trust & compliance

Verified signals

HTTPSFree tierStore-verified publisher

Indexing history

What PulseGate has recorded for this listing

Indexed11 Sep · 20:27 UTC
No Tabs verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Firefox Notabs

What does Firefox Notabs do?: Firefox Notabs focuses on preventing tab creation and tab-based browsing in Firefox. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Firefox Notabs for?: Firefox Notabs is an open-source project built for firefox users who want a single-page browsing experience.
Is Firefox Notabs free?: Yes — Firefox Notabs is free to use.
What platforms does Firefox Notabs run on?: Firefox Notabs runs on the web and embeddable surfaces.
Is Firefox Notabs still active?: Unverified. Firefox Notabs 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 Firefox Notabs?: Similar projects tracked by PulseGate include No Tabs, Tab-less, and TabNotes.No Tabs Tab-less TabNotes
Who makes Firefox Notabs?: Firefox Notabs is developed by adsum.
When did Firefox Notabs launch?: Firefox Notabs first shipped in 2018.

At a glance

Pricing: Free
Platforms: Web · API
Languages: English
First seen: 11 Sept 2026
Built for: Firefox users who want a single-page browsing experience
Model: Open source
Solves: Preventing tab creation and tab-based browsing in Firefox.

Registered as

Firefox Add-ons: adsum-notabs

Developer

adsum

Index record

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

Identity audit (12)

Slug: no-tabs-gitlab-com
Lifecycle state recorded: 11 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 11 Sept 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 11 Sept 2026
Canonical URL: https://gitlab.com/adsum/firefox-notabs

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