Who should use Container Tabs Sidebar?

Container Tabs Sidebar is an open-source project built for firefox users who organize browsing by privacy containers.

Is Container Tabs Sidebar free?

Yes — Container Tabs Sidebar is open source under the Open Source license and free to use.

What platforms does Container Tabs Sidebar run on?

Container Tabs Sidebar runs on the web, embeddable surfaces, macOS, Windows, and Linux.

Is Container Tabs Sidebar still maintained?

Unverified. Container Tabs Sidebar 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 Container Tabs Sidebar?

Similar projects tracked by PulseGate include Sea Containers, Container Tab Groups, and Containerized.

Who develops Container Tabs Sidebar?

Container Tabs Sidebar is developed by maciekmm.

How long has Container Tabs Sidebar been around?

Container Tabs Sidebar first shipped in 2018.

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Container Tabs Sidebar

Name: Container Tabs Sidebar
Author: maciekmm

github.comBrowser DevTools & extensions

Container Tabs Sidebar is an open-source Firefox extension that displays browser tabs in a sidebar and groups them by Firefox privacy containers. It is intended for users who want more efficient tab navigation and clearer separation between browsing contexts.

Open SourceWebEmbeddablemacOSWindowsLinux

Visit github.com

Overview

4 features

In the Browser DevTools & extensions space, Container Tabs Sidebar takes a focused approach. It focuses on managing many Firefox tabs while keeping browsing sessions separated by privacy container. Container Tabs Sidebar is an open-source project aimed at firefox users who organize browsing by privacy containers. The project is open source (Open Source). It ships for the web, embeddable surfaces, macOS, Windows, and Linux.

Behind Container Tabs Sidebar is maciekmm, and it first shipped in 2018. Key capabilities include sidebar tabs, container grouping, and privacy separation.

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

Sidebar tabs
Container grouping
Privacy separation
Tab navigation

Built with & integrations

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

Indexed8 Sept · 19:29 UTC
Container Tabs Sidebar verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Container Tabs Sidebar

What does Container Tabs Sidebar do?: Container Tabs Sidebar focuses on managing many Firefox tabs while keeping browsing sessions separated by privacy container. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Container Tabs Sidebar?: Container Tabs Sidebar is an open-source project built for firefox users who organize browsing by privacy containers.
Is Container Tabs Sidebar free?: Yes — Container Tabs Sidebar is open source under the Open Source license and free to use.
What platforms does Container Tabs Sidebar run on?: Container Tabs Sidebar runs on the web, embeddable surfaces, macOS, Windows, and Linux.
Is Container Tabs Sidebar still maintained?: Unverified. Container Tabs Sidebar 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 Container Tabs Sidebar?: Similar projects tracked by PulseGate include Sea Containers, Container Tab Groups, and Containerized.Sea Containers Container Tab Groups Containerized
Who develops Container Tabs Sidebar?: Container Tabs Sidebar is developed by maciekmm.
How long has Container Tabs Sidebar been around?: Container Tabs Sidebar first shipped in 2018.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
First seen: 8 Sept 2026
Built for: Firefox users who organize browsing by privacy containers
Model: Open source
Solves: Managing many Firefox tabs while keeping browsing sessions separated by privacy container.

Registered as

Firefox Add-ons: container-tabs-sidebar

Developer

maciekmm

Index record

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

Identity audit (13)

Slug: container-tabs-sidebar-github-com
Lifecycle state recorded: 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/maciekmm/container-tabs-sidebar

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