Jonathan Kingston

Sidebar for managing container tabs

DuckDuckGo Privacy Essentials browser extension for Firefox, Chrome.

🛡 Collection of pages for testing various privacy and security features of browsers and browser extensions.

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Britto - a blog made using Meteor

Simple start to a framework for Meteor (Mainly to stash hacks)

Generation of SRI hashes for ember

A TODO MVC implementation using web-sys to make WASM

A Firefox extension for merging windows

Change the theme to match the containers color

Creates a new tab with the current container

prelim implementation of macro dom

Rewrites HTML files with SRI hashes

Linting for sadists :godmode:

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A test app for Stellar a Meteor MVC

Linting defaults to match Ember

An example extension to toggle HTTPS always on containers in Firefox

An extension to be more private in red panda browser.

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MozFest Privacy and Security web extension help

Reporting secure.fail reports failures grammars headers fails

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jQuery CSP error fixes for inline style usage

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For *everything* you need with proxies.

Show a broken padlock for HTTP websites as a world that is encrypted is more liberated.

A trial into fixing padlocks

Mockup of changing FF prefs

Useful for writing unit tests with ESLint

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Lint JavaScript using Eslint

A repo to demo test cases for password generation

Jotter blog page

Extension to add some humanity to the world

The official repository of Mozilla's Firefox web browser.

An open standard for shared agent learning. Agents persist, share, and query collective knowledge so they stop rediscovering the same failures independently.

PoC do not use for anything serious!

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A behavioral analytics library that uses dom mutations and user interactions to generate aggregated insights.

WebAppSec Upgrade Insecure Requests

NodeJS user-agent middleware

UAParser.js - The Essential Web Development Tool for User-Agent Detection. Detect Browsers, OS, Devices, Bots, Apps, AI Crawlers, and more. Run in Browser (client-side) or Node.js (server-side).

a browser detector

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Converts MHTML files to a single HTML file using javascript

A web extension for capturing and annotating web page snapshots for labeling and review. Create labeled datasets from web pages with high-fidelity snapshots.

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A JavaScript library for text annotation.

A data persistence library for Ember.js.

Facilitating high-level interactions between wasm modules and JavaScript

An experiment into browser automation

The official Typescript SDK for Model Context Protocol servers and clients

are we reorganized yet?

Specification for defining logical sizing in CSS

A security/privacy review questionnaire for W3C specs

NuGet repackaging of the CEF binaries provided by Chromium Embedded Framework

.NET (WPF and Windows Forms) bindings for the Chromium Embedded Framework

What is browser fingerprinting and how should specification authors address it.

An HTML parser extracted from Angular with some modifications

Prettier is an opinionated code formatter.

🕸 Modular, multithreaded, puppeteer-based crawler

TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

A pure Node.js client for the Android Debug Bridge.

Spectacular Test Runner for JavaScript

Sign a Firefox add-on with Mozilla's web service

A Metalsmith plugin that adds a build date to the metadata.

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Privacy Essentials Extension for Safari

Free Bootstrap hosting on MaxCDN's Content Delivery Network

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DuckDuckGo Android App

DuckDuckGo iOS Application

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Core engine for the Brave browser for macOS, Windows, Linux, and eventually Android. For the issue log, please see https://github.com/brave/brave-browser

Next generation Brave browser for macOS, Windows, Linux, Android.

Rust HTTP types

Web Components specifications

Broccoli plugin to add fingerprint checksums and CDN URLs to your assets

Broccoli plugin to rewrite a source tree from an asset map.

JavaScript infosec talk

WebAppSec Subresource Integrity

A browser API that aims to prevent DOM-Based Cross Site Scripting in modern web applications.

node's http module, but for the browser

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A draft experiment into if we can make an addon support <keygen>

Type checked JSX for Rust

Experimental cookie session middleware and extractor for the tide web framework.

Rust API bindings for the Stripe HTTP API.

A blog about the happenings in Rust and WebAssembly! 🦀 + 🕸

Deployer tool written in Rust

Rust Berlin website

HTML Standard

The Rust Programming Language

DOM Standard

Sodium: The Text Editor

GTK frontend for the xi text editor, written in rust

Test Suites for Web Platform specifications—including WHATWG, W3C and others

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One off system add-ons ship fixes and updates to users of releases already shipped, without a dot release.

Facebook Container isolates your Facebook activity from the rest of your web activity in order to prevent Facebook from tracking you outside of the Facebook website via third party cookies.

All Submissions you make to Magento Inc. (“Magento") through GitHub are subject to the following terms and conditions: (1) You grant Magento a perpetual, worldwide, non-exclusive, no charge, royalty free, irrevocable license under your applicable copyrights and patents to reproduce, prepare derivative works of, display, publically perform, sublicense and distribute any feedback, ideas, code, or other information (“Submission") you submit through GitHub. (2) Your Submission is an original work of authorship and you are the owner or are legally entitled to grant the license stated above. (3) You agree to the Contributor License Agreement found here: https://github.com/magento/magento2/blob/master/CONTRIBUTOR_LICENSE_AGREEMENT.html

The Servo Browser Engine

Alternative menu for opening containers

Mozilla's Developer Roadshow 2017

browser-side require() the node.js way

A tour into the unknown of brokenment extensions

Take stuff in a tab and move that stuff to a new tab in a new container.

Web Extension version of the Mozilla Lightbeam add-on

PLEASE DON'T USE - use eslint-plugin-no-unsanitized instead

Silly experiment to clone a tab and create a container per tab

A browser extension that encrypts your communications with many websites that offer HTTPS but still allow unencrypted connections.

super beta html AST parser

A workshop into Web Extensions and Containers

Random dump of randomly licensed stickers

This is a hacky script to get a json file merged with other event data

custom ESLint rule to disallows unsafe innerHTML, outerHTML and insertAdjacentHTML

Mozilla list of RPs and Groups for SSO-Dashboard

Web Extension implementation of Firefox tracking protection for experimental development

Popout video player in Firefox

We're building the next generation of Firefox, and we're focusing on real-world speed and performance. Pulse lets you give our engineers feedback about your experience on websites that work well in Firefox and on websites that don't.

An add-on to let you snooze your tabs for a while.

MVP prototype add-on for activity streams

A website to explain why people should move from http

An experiment in creating better shareable versions of content

Cert issue in FF extensions caused by CSP

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Dashboard for the Observatory that gives a quick heads-up view of Mozilla sites

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SRI Hash Generator

Docker using alpine auto build

Just some random setups I have

Privacy Badger - Block third party tracking in your browser! By EFF

Privacy Badger for Firefox

This is a repo to explore, and hopefully define a way to maintain aspect ratio

Mocha and Chai tests for ember-cli applications

An extensive list of CSS/JS browserhacks from all over the interwebs.

draft proposal for fetch integration into CSS

:bike: A preprocessor for anyone writing specifications that converts source files into actual specs.

Activate campaign site

a fine gallery of pad locks

Mirror of CSS WG Editor Draft repository - https://hg.csswg.org/drafts

Firefox add-on for arranging tabs vertically

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Project Tofino is a browser interaction experiment.

Alter Firefox's built-in privacy settings easily with a toolbar panel

The Service Worker Specification

A trial into building key shortcut changes

For users who like to VOIP

Just a bad time pretending to be a module

:lock: Memorable site for testing clients against bad SSL configs.

A repository to hold our amazing guides for Mozilla Clubs

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An XSS example

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Example Firefox add-ons created using the WebExtensions API

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This is about one JS tip every day!

Gaia is a HTML5-based Phone UI for the Boot 2 Gecko Project. NOTE: For details of what branches are used for what releases, see

This repo contains the NottsJS Website and assets.

Subresource Integrity tools

Just some crappy setup I have

Signal Private Messenger for the Desktop

Raw browser/feature support data from caniuse.com

Test anything protocol website

A new web experience for your B2G and Android devices.

A responsive searchable menu experiment.

WebAppSec Content Security Policy

HTML5 podcast app (for the Web, including FirefoxOS)

template and tool for deploying Offline Web Apps to GitHub Pages

Boot to Gecko aims to create a complete, standalone operating system for the open web.

PostCSS plugin to transform rgba() to hexadecimal.

PostCSS Custom Selectors

PostCSS plugin to transform :matches() W3C CSS pseudo class to more compatible CSS (simpler selectors)

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JSDoc parser

SRI encoding issue

A site aiming to list security failures

New website

Website

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Static page for cowl.ws

lcov posting to coveralls.io

OS X Lion style cross-browser native scrolling on the web that gets out of the way.

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scanner detecting the use of JavaScript libraries with known vulnerabilities

RFCs for changes to ember-cli

Use tomorrow's CSS syntax, today