Apps with 'Legacy Firefox Addon' feature

Fast, secure browser with built-in ad block, privacy controls, and global tracking protections. Optimizes data, speed, and battery life.

Microsoft OneNote, part of the Microsoft 365 Copilot, is a digital notebook application that gives people one place to gather notes and information. It also offers shared notebooks, syncing between multiple computers and devices via Windows...

SimpleScreenRecorder is a Linux screen recorder that supports X11 and OpenGL. It is easy to use, feature-rich, and has a Qt-based graphical user interface. It can record the entire screen or part of it, or record OpenGL applications directly.

Classic Add-ons Archive catalog contains 93,598 versions of 19,450 Firefox add-ons created by 14,274 developers over the past 15 years using XUL/XPCOM technology before Mozilla decided to ruin the classic extensions ecosystem and go exclusively to WebExtensions.

Fix the web. Gets rid of a site's cookies and LocalStorage as soon as you close its tabs. Protects against trackers and zombie-cookies. Trustworthy services can be whitelisted.

Remotely monitor your children's mobiles. TheTruthSpy allows you to secretly check the copy of their activities directly on TheTruthSpy application!

Free functions:

• Free 48 hours, for all function.
• GPS locations (FREE) See the GPS locations of the mobile device on a map.

The free Thumbnail Zoom Plus add-on for Firefox shows the full image when you hover over a thumbnail or image link.

"Clean Uninstall" cleans fingerprints (such as preferences) left by an add-on from your Firefox profile upon its removal. Usually add-on developers do not clear preferences created by their extension just before extension gets uninstalled.

A user style manager for Pale Moon, Basilisk, Interlink, SeaMonkey, and other Mozilla-based software. Install styles from userstyles.org to change how web pages and the application look.

On average, it takes 12 seconds to type out a name, email, and address. With SimpleFill, it takes a maximum of 3 seconds. You might be wondering why use SimpleFill when browsers have autofill features by default.

Multi Links Plus lets you open, copy or bookmark multiple links at the same time rather than having to do them all individually.

FireSSH is a free, cross-platform SSH terminal client for Mozilla Firefox. Written entirely in Javascript!

FireGestures is a Firefox extension which enables you to execute various commands with five types of gestures:

Click&Clean is a free, fast and easy-to-use extension for Google Chrome and Mozilla Firefox that can be used as a powerful private data Cleaner.

Bamboo is a feed reader add-on for https://addons.palemoon.org/addon/bamboo-feed-reader/ (and Thunderbird & Mozilla Firefox - Versions 3.0 - 45.* & ? - 56.* [1])

HttpFox monitors and analyzes all incoming and outgoing HTTP traffic between the browser and the web servers.

Open Bookmarks/History/Homepage/URL/Search in new tabs, and more utilities for tabbed browsing, including open tab next, focus related/last visited tab, protect/lock/faviconize/pin tab, multiple tab handler, tab clicking options, etc.

ReminderFox displays and manages lists of reminders and ToDo's. ReminderFox makes sure you remember all of your important dates via easy-to-use lists, alerts, and alarms, right in your browser without the need for a separate calendar program.

Download Status Bar manages every aspect of your downloads (Launch, Show, Scan, Send To, Rename, Checksum, Pause, Resume, Cancel, Clean, Delete), generates Statistics from your Download actions, keeps the History of your previous session downloads and much more.

All-in-One Sidebar (AiOS) is a sidebar control, inspired by Opera . Click on the left edge of your browser window to open the sidebar and get easy access to all your panels.

FireTray is system tray extension for Linux and Windows that targets Mozilla Firefox, Thunderbird and SeaMonkey.

Enjoy Reading is heavily based on the old Readability open source bookmarklet.

Download Facebook (Album & Video), Instagram, Pinterest, Twitter, Ask.fm, Weibo Album.

Wired-Marker is a permanent (indelible) highlighter that you use on Web pages. The highlighter, which comes in various colors and styles, is a kind of electronic bookmark that serves as a guide when you revisit a Web page.

Customize menus : Helps removing, moving and renaming menus and menu items New feature: Now you can change or disable any of used keyboard shortcuts Support: Firefox, Thunderbird and SeaMonkey.