Who is Facebook Messenger Sidebar for?

Facebook Messenger Sidebar is a consumer product built for firefox users who want persistent access to Facebook Messenger.

Does Facebook Messenger Sidebar have a free plan?

Yes — Facebook Messenger Sidebar is free to use.

What platforms does Facebook Messenger Sidebar run on?

Facebook Messenger Sidebar runs on the web and embeddable surfaces.

Is Facebook Messenger Sidebar still maintained?

Unverified. Facebook Messenger 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 projects are similar to Facebook Messenger Sidebar?

Similar projects tracked by PulseGate include Messenger Sidebar, Facebook Messenger as, and Sidebar for Facebook™.

Who makes Facebook Messenger Sidebar?

Facebook Messenger Sidebar is developed by GashWare.

How long has Facebook Messenger Sidebar been around?

Facebook Messenger Sidebar first shipped in 2026.

Back to the index

Facebook Messenger Sidebar

Name: Facebook Messenger Sidebar
Author: GashWare

github.comBrowser DevTools & extensions

Facebook Messenger Sidebar is a lightweight Firefox browser extension that embeds Facebook Messenger in a persistent sidebar. It is intended for users who want to chat while continuing to browse other websites.

FreeWebEmbeddable

Visit github.com

2alternatives

5features

2026since

Overview

5 features

Facebook Messenger Sidebar is a Browser DevTools & extensions project. It focuses on keeping Facebook Messenger accessible while browsing without switching tabs or windows. Facebook Messenger Sidebar is a consumer product aimed at firefox users who want persistent access to Facebook Messenger. Facebook Messenger Sidebar is free to use. It runs on the web and embeddable surfaces.

Behind Facebook Messenger Sidebar is GashWare, and it first shipped in 2026. Key capabilities include messenger sidebar, persistent chat access, and firefox integration.

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

Messenger sidebar
Persistent chat access
Firefox integration
Lightweight extension
Dynamic sidebar

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed19 Sep · 04:56 UTC
Facebook Messenger Sidebar verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Facebook Messenger Sidebar

What does Facebook Messenger Sidebar do?: Facebook Messenger Sidebar focuses on keeping Facebook Messenger accessible while browsing without switching tabs or windows. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Facebook Messenger Sidebar for?: Facebook Messenger Sidebar is a consumer product built for firefox users who want persistent access to Facebook Messenger.
Does Facebook Messenger Sidebar have a free plan?: Yes — Facebook Messenger Sidebar is free to use.
What platforms does Facebook Messenger Sidebar run on?: Facebook Messenger Sidebar runs on the web and embeddable surfaces.
Is Facebook Messenger Sidebar still maintained?: Unverified. Facebook Messenger 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 projects are similar to Facebook Messenger Sidebar?: Similar projects tracked by PulseGate include Messenger Sidebar, Facebook Messenger as, and Sidebar for Facebook™.Messenger Sidebar Facebook Messenger as Sidebar for Facebook™
Who makes Facebook Messenger Sidebar?: Facebook Messenger Sidebar is developed by GashWare.
How long has Facebook Messenger Sidebar been around?: Facebook Messenger Sidebar first shipped in 2026.

At a glance

Pricing: Free
Platforms: Web
Languages: English
First seen: 19 Sep 2026
Built for: Firefox users who want persistent access to Facebook Messenger
Model: B2C
Solves: Keeping Facebook Messenger accessible while browsing without switching tabs or windows.

Registered as

Firefox Add-ons: facebook-messenger-sidebar

Developer

GashWare

Index record

Indexed: 19 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 19 Sep 2026

Identity audit (13)

Slug: facebook-messenger-sidebar-github-com
Lifecycle state recorded: 19 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 19 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: 19 Sep 2026
Canonical URL: https://github.com/GashWare/firefox-messenger-sidebar

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