Who is nos2x-fox for?

nos2x-fox is an open-source project built for nostr users who need a browser-based signing extension.

Does nos2x-fox have a free plan?

Yes — nos2x-fox is open source under the Open Source license and free to use.

What platforms does nos2x-fox run on?

nos2x-fox runs on the web, embeddable surfaces, macOS, Windows, and Linux.

Is nos2x-fox still active?

Unverified. nos2x-fox 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 nos2x-fox?

Similar projects tracked by PulseGate include Hashrate Lens, SaveAI, and Codex File Drop.

nos2x-fox is developed by Diego Gurpegui.

When did nos2x-fox launch?

nos2x-fox first shipped in 2023.

Back to the index

nos2x-fox

Name: nos2x-fox
Author: Diego Gurpegui

github.comBrowser DevTools & extensions

nos2x-fox is an open-source Firefox extension for signing Nostr events. It keeps signing keys under user control and provides browser-based authorization for Nostr applications.

Open SourceWebEmbeddablemacOSWindowsLinux

Visit github.com

Overview

4 features

nos2x-fox sits in PulseGate's Browser DevTools & extensions category. It focuses on signing Nostr events securely from Firefox without exposing private keys to websites. It is built as an open-source project for nostr users who need a browser-based signing extension. The project is open source (Open Source). nos2x-fox is available on the web, embeddable surfaces, macOS, Windows, and Linux.

Behind nos2x-fox is Diego Gurpegui, and it first shipped in 2023. Key capabilities include nostr event signing, private key control, and browser authorization.

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

Nostr event signing
Private key control
Browser authorization
Firefox integration

Built with & integrations

Runs on

BrowserEmbeddablemacOSWindowsLinux

Trust & compliance

License

Open Source

Verified signals

HTTPSOpen SourceFree tierStore-verified publisher

Indexing history

What PulseGate has recorded for this listing

Indexed9 Sept · 03:51 UTC
nos2x-fox verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about nos2x-fox

What is nos2x-fox?: Nos2x-fox focuses on signing Nostr events securely from Firefox without exposing private keys to websites. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is nos2x-fox for?: nos2x-fox is an open-source project built for nostr users who need a browser-based signing extension.
Does nos2x-fox have a free plan?: Yes — nos2x-fox is open source under the Open Source license and free to use.
What platforms does nos2x-fox run on?: nos2x-fox runs on the web, embeddable surfaces, macOS, Windows, and Linux.
Is nos2x-fox still active?: Unverified. nos2x-fox 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 nos2x-fox?: Similar projects tracked by PulseGate include Hashrate Lens, SaveAI, and Codex File Drop.Hashrate Lens SaveAI Codex File Drop
Who makes nos2x-fox?: nos2x-fox is developed by Diego Gurpegui.
When did nos2x-fox launch?: nos2x-fox first shipped in 2023.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
Built for: Nostr users who need a browser-based signing extension
Model: Open source
Solves: Signing Nostr events securely from Firefox without exposing private keys to websites.

Registered as

Firefox Add-ons: nos2x-fox

Developer

Diego Gurpegui

Index record

Indexed: 9 Sept 2026
Lifecycle: Alive
Last seen: 9 Sept 2026

Identity audit (13)

Slug: nos2x-fox-github-com
Lifecycle state recorded: 9 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 9 Sept 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
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: 9 Sept 2026
Canonical URL: https://github.com/diegogurpegui/nos2x-fox

Ship this? Send a correction — no account, and you get a link to follow it.

Also in Browser DevTools & extensions

Same category — not a similarity match