xul

Komodo Edit is a fast and free multi-language code editor. Written in JS, Python, C++ and based on the Mozilla platform.

Catalog of classic Firefox add-ons created before WebExtensions apocalypse

The greatest user script engine on the Internet (a fork of Greasemonkey).

Lightweight C++ GUI Library 轻量级C++图形界面库

This addon adds awesome statistics to your beloved Thunderbird!

[WIP] A curated list and XPI files of Mozilla Firefox browser extensions, addons, themes from addons.mozilla.org, before XUL-based purge blackout

Thunderbird add-on CompactHeader

A legacy Mozilla Firefox add-on to import and export search engines from XML files in the OpenSearch format

This is a Thunderbird addon that adds some magic to the folder list columns. Check the addon website for more info...

A Firefox Extension to add support for the Universal Edit Button

Easier management of the user interface language in Mozilla applications

NoSquint is a Firefox add-on that allows you to adjust the text-only and full-page zoom levels as well as color settings both globally (for all sites) and per site.

Mirror of mailredirect extension

live XUL editor : with seamonkey open this --->

Google summer of code project - Dialog development area for CONVERT XUL TO REACT.

This is a Thunderbird addon that lets you customize the IMAP quota statusbar panel.

XUL fork of uBlock Origin for Advanced users

Build XUL style applications with HTML (requires Electron or shadow dom compatible browser)

UXP - Unified XUL Platform

Building AppImages for XULRunner

This Thunderbird addon shows the calendar color on Lightning reminders.

Periodic Table of XUL Elements - A collection of XUL demos in a small add-on.

GitHubby is a browser extension that improves the experience of GitHub by setting limits by GitHub and making improvements. This is my first browser extension, so please correct any issues and give an ELI5 or ELI13 description, I have never done this before.

This Thunderbird addon moves the Lightining Reminder "Snooze all for" and "Dismiss All" buttons to the left!

React implementation of Thunderbird's XUL dialog-box.

AdBlock for GeckoFX WebBrowser. Custom keyword/domain support + EasyList, EasyPrivacy & AdGuard blocklists

Official DownThemAll! repository. Pull requests welcome.

Cite4wiki XUL extension for generating an English Wikipedia citation from any Web page

Repository of the Waterfox extension - Classic Sidebar , a fork of The Good 'ol Sidebar, which is fork of AiOS.

Compose or edit Thunderbird email using a familiar editor, like vi(1).