Who should use Workflowy Sidebar?

Workflowy Sidebar is an open-source project built for firefox users who use Workflowy.

Is Workflowy Sidebar free?

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

What platforms does Workflowy Sidebar run on?

Workflowy Sidebar runs on the web and embeddable surfaces.

Is Workflowy Sidebar still active?

Unverified. Workflowy 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 Workflowy Sidebar?

Similar projects tracked by PulseGate include WorkPlace Sidebar, youtube-sidebar, and Webpage Sidebar.

Who develops Workflowy Sidebar?

Workflowy Sidebar is developed by t_w.

How long has Workflowy Sidebar been around?

Workflowy Sidebar first shipped in 2020.

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Workflowy Sidebar

Name: Workflowy Sidebar
Author: t_w

mozilla.orgBrowser DevTools & extensions

Workflowy Sidebar is an unofficial Firefox extension that embeds the Workflowy web app in Firefox's sidebar. Users can open it with a configurable keyboard shortcut and keep their outlines accessible while browsing.

Open SourceWebEmbeddable

Visit mozilla.org

Overview

5 features

In the Browser DevTools & extensions space, Workflowy Sidebar takes a focused approach. It focuses on keeping Workflowy accessible in a persistent Firefox sidebar while browsing. It is built as an open-source project for firefox users who use Workflowy. The project is open source (Open Source). Workflowy Sidebar is available on the web and embeddable surfaces.

It is developed by t_w, and it first shipped in 2020. Key capabilities include sidebar access, workflowy web app, and keyboard shortcut. The interface is available in 32 languages, including Czech, German, and Greek.

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

Sidebar access
Workflowy web app
Keyboard shortcut
Configurable shortcut
Firefox integration

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

License

Open Source

Verified signals

HTTPSPrivacy Policy Terms of ServiceOpen SourceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed14 Sep · 15:47 UTC
Workflowy Sidebar verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Workflowy Sidebar

What does Workflowy Sidebar do?: Workflowy Sidebar focuses on keeping Workflowy accessible in a persistent Firefox sidebar while browsing. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Workflowy Sidebar?: Workflowy Sidebar is an open-source project built for firefox users who use Workflowy.
Is Workflowy Sidebar free?: Yes — Workflowy Sidebar is open source under the Open Source license and free to use.
What platforms does Workflowy Sidebar run on?: Workflowy Sidebar runs on the web and embeddable surfaces.
Is Workflowy Sidebar still active?: Unverified. Workflowy 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 Workflowy Sidebar?: Similar projects tracked by PulseGate include WorkPlace Sidebar, youtube-sidebar, and Webpage Sidebar.WorkPlace Sidebar youtube-sidebar Webpage Sidebar
Who develops Workflowy Sidebar?: Workflowy Sidebar is developed by t_w.
How long has Workflowy Sidebar been around?: Workflowy Sidebar first shipped in 2020.

At a glance

Pricing: Open Source
Platforms: Web
License: Open Source
First seen: 14 Sep 2026
Built for: Firefox users who use Workflowy
Model: Open source
Solves: Keeping Workflowy accessible in a persistent Firefox sidebar while browsing.

Registered as

Firefox Add-ons: workflowy-sidebar

Developer

t_w

Index record

Indexed: 14 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 14 Sep 2026

Identity audit (13)

Slug: workflowy-sidebar-mozilla-org
Lifecycle state recorded: 14 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 14 Sep 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.
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: 14 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/workflowy-sidebar

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