Best Firefox Apps and Services

Handpicked collection of the most popular and highly-rated Firefox applications

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GGather

GGather

$ $

GGather is an advanced online bookmark manager and knowledge curation platform designed to help users organize, annotate, and share web content efficiently. It transcends traditional bookmarking by offering robust features like full-text search, visual bookmarks, dead link checking, and collaborative sharing, making it ideal for researchers, content creators, and anyone seeking a superior way to manage their digital information.

<p><strong>Comprehensive Content Capture:</strong> Ability to save entire web pa...
Bookmarks
News & Books Office & Productivity Online Services Photos & Graphics Social & Communications Web Browsers Working Remote
Burner Mail

Burner Mail is a privacy-focused email service that allows users to generate unlimited, disposable email aliases to protect their real email address from spam, marketing, and data breaches. It acts as a secure intermediary, forwarding emails to your primary inbox while keeping your personal information private, offering enhanced security and anonymity across various online platforms and services.

Generates unlimited disposable email aliases for enhanced privacy.
Anonymous email
Office & Productivity Security & Privacy Web Browsers
Gnash

Gnash

Open Source

Gnash is a free and open-source software player for SWF files, a format primarily used for Adobe Flash media. Developed as part of the GNU Project, it aimed to provide an independent and secure alternative to Adobe Flash Player, supporting various Flash functionalities for animation, video, and interactive web content, particularly during the widespread use of Flash on the internet.

Free and open-source software
Embeddable
Video & Movies
Floccus

Floccus

Open Source

Floccus is an open-source, cross-browser bookmark synchronization extension that prioritizes user privacy and data control. It allows users to sync their bookmarks across various web browsers, offering strong encryption and the flexibility of self-hosting, ensuring that your valuable bookmark data remains private and secure. Ideal for individuals and teams seeking an alternative to cloud-based, vendor-locked sync solutions.

Superior data privacy with end-to-end encryption.
Bookmarks
Web Browsers
Metastream

Metastream

Open Source

Metastream is a unique collaborative browsing platform that specializes in synchronized video streaming. It allows users to watch videos and browse the web together in real-time, fostering a shared experience. With integrated chat, private group options, and support for major streaming platforms, Metastream transforms passive viewing into an interactive social event, all without requiring any complex registration.

Flawless real-time content synchronization across all participants.
Google Chrome Extensions
Social & Communications Video & Movies Web Browsers
Tab Mix Plus

Tab Mix Plus is a powerful and highly customizable extension for Firefox and Pale Moon, designed to significantly enhance tab browsing. It offers extensive control over tab behavior, including session management, advanced tab manipulation, and robust crash recovery, making it an essential tool for power users.

Extremely deep customization of tab behavior.
Built-in e-Book converter
Web Browsers
PSDETCH

PSDETCH

Free

PSDETCH is an all-in-one browser-based platform designed to streamline the design-to-development workflow. It offers robust tools for collaborative design handoff, prototyping, and website building, catering to designers, developers, and teams looking for efficient project delivery from concept to deployment, operating both online and offline.

Comprehensive web-based platform, no installation required.
Browser based
Development Office & Productivity Photos & Graphics Remote Work & Education
Jellyfin

Jellyfin

Open Source

Jellyfin is a free and open-source media server that allows you to manage and stream your personal media library (movies, TV shows, music, photos) to any device in your home or remotely. It provides a powerful and flexible platform for accessing your content.

Completely free and open source with no hidden costs.
Ad-free
... Audio & Music Video & Movies
OneTab

OneTab

Free

OneTab is a browser extension for Chrome, Firefox, and Edge designed to significantly reduce memory usage and declutter your tab bar. By converting multiple open tabs into a single list, it optimizes performance and improves browsing organization.

Significantly reduces browser memory usage.
Google Chrome Extensions
OS & Utilities Web Browsers
Microsoft Silverlight

Microsoft Silverlight was a powerful, cross-platform browser plugin and runtime that enabled developers to create rich, interactive web and mobile applications with vector graphics, animations, audio, and video capabilities.

Enabled creation of visually rich and interactive web applications.
Browser extension
Development Web Browsers
FileCloud

FileCloud

Commercial

FileCloud is a comprehensive Enterprise File Services platform offering secure file sharing, sync, and backup solutions with strong data governance and endpoint protection capabilities.

Strong emphasis on data security and privacy with features like End-to-End Encry...
Android Sync
... Backup & Sync File Management File Sharing Security & Privacy
Mozilla Add-ons

Mozilla Add-ons

Open Source

Mozilla Add-ons is the official repository for extensions and themes to customize and enhance the Firefox web browser. It offers a vast and diverse collection to personalize your browsing experience.

Vast selection of extensions and themes
Add-ons
Web Browsers
Wayback Machine

The Wayback Machine, part of the Internet Archive, is a digital archive of the World Wide Web and other information on the Internet. It allows users to visit archived versions of web pages they may have missed, including those that have been changed or removed.

Extensive archive of historical web pages.
Google Chrome Extensions
Online Services Web Browsers
ActivityWatch

ActivityWatch

Open Source

ActivityWatch is a free and open-source, privacy-focused time-tracking application that automatically monitors how you spend time on your devices, offering detailed insights into your digital activities with local storage and offline functionality.

Strong emphasis on user privacy with local data storage.
Ability to add more watchers
Office & Productivity Security & Privacy Sport & Health Web Browsers
Joplin

Joplin

Open Source

Joplin is a free and open-source note-taking and to-do application designed for users who value data ownership, privacy, and flexibility. It offers robust synchronization options, including cloud services like Dropbox, OneDrive, and Nextcloud, as well as WebDAV. With support for Markdown, powerful search capabilities, and cross-platform availability, Joplin is a versatile tool for organizing information and boosting productivity.

Free and open-source with strong community support.
Ad-free
... Backup & Sync Business & Commerce File Management Office & Productivity Security & Privacy Web Browsers
ZenMate

ZenMate

Commercial

ZenMate VPN for Chrome is a browser extension designed to enhance online security, privacy, and freedom. It encrypts your internet traffic, hides your IP address, and allows access to geo-restricted content with ease.

Easy to install and use within Chrome.
Surf Anonymously
Security & Privacy Web Browsers
Download Status Bar

Download Status Bar is a legacy Firefox extension designed to manage and track your downloads directly within the browser's status bar. It provides at-a-glance information about download progress, remaining time, and allows for direct interaction with downloaded files without cluttering the main download window.

Real-time download status in browser status bar
Firefox extension
File Sharing Web Browsers
Karma Blocker

Karma Blocker

Open Source

Karma Blocker is a Firefox browser extension designed to help users minimize online distractions and enhance focus while browsing. By selectively blocking elements and websites, it aims to create a more productive and less overwhelming internet experience.

Helps reduce online distractions
Firefox extension
Web Browsers
NetVideoHunter

NetVideoHunter

Open Source

<p>NetVideoHunter is a versatile music and video downloader available primarily as a browser extension for Firefox, Chrome, and Edge. It specializes in capturing media from popular platforms like YouTube, Vimeo, Metacafe, and Facebook, offering a convenient way to save online videos and audio for offline access.</p>

Seamless integration with popular web browsers.
Built-in player
Video & Movies Web Browsers
Eversync

Eversync

Free

Eversync is a robust online bookmark synchronization tool designed to keep your web bookmarks consistent across multiple browsers and devices. It offers cloud-based storage, visual bookmarks, and organizational features for efficient web navigation.

Excellent cross-browser synchronization capabilities.
Bookmarks
Backup & Sync Web Browsers
Element Hiding Helper for Adblock Plus

Element Hiding Helper for Adblock Plus is a specialized Firefox extension designed to complement Adblock Plus, enabling users to easily hide specific elements on web pages that are not blocked by standard ad filters. This provides enhanced customization and control over your browsing experience, removing intrusive sections or blank spaces left by blocked ads.

Simplifies hiding of webpage elements.
Firefox extension
Development Web Browsers
Grabilla

Grabilla

Free Personal

Grabilla is a comprehensive screen capture and recording tool for Windows. It allows users to quickly take screenshots, record desktop activity as videos or animated GIFs, and effortlessly share the captured content to the web, FTP, or clipboard. With built-in editing features and automatic upload capabilities, Grabilla streamlines the entire process from capture to sharing.

Easy to use interface for quick captures and recordings.
Record desktop activity
Photos & Graphics Video & Movies
Video2mp3

Video2mp3

Freemium

Video2mp3 was a web-based service and browser extension that facilitated the conversion of YouTube videos to MP3 audio files. It was a popular tool for users looking to extract audio content from video formats for offline listening.

Extremely easy to use web interface.
Google Chrome extension
Audio & Music Video & Movies Web Browsers
Bubblehunt

Bubblehunt

Free

Bubblehunt is an innovative search platform empowering users to create personalized and curated search engines, transforming how information is discovered and shared online.

Enables creation of highly relevant and focused search experiences.
Search and replace
File Sharing Online Services Web Browsers
amber.dog

amber.dog

Free

amber.dog is a live video streaming platform centered around fostering community and engagement. It offers tools for content creators to broadcast various forms of media, including gaming, sports, and general lifestyle content, while providing viewers with interactive features like real-time chat and group functionalities.

Strong focus on community building with group features.
Integrated Chat
File Sharing Social & Communications Video & Movies
FLVto

FLVto

Free

FLVto is an online service providing users with the ability to download videos from popular platforms like YouTube, Facebook, and Dailymotion, primarily converting them to the MP3 audio format for easy listening offline. It aims to simplify the process of obtaining audio from online video content.

No software installation required, accessible via web browser.
Download videos from Facebook
Audio & Music Video & Movies
cliget

cliget

Open Source

cliget is a Firefox browser extension that simplifies the process of generating command-line download commands (curl and wget) for resources accessed within your browser. This is particularly useful for downloading files that require specific browser cookies or headers, allowing you to seamlessly transfer downloads to remote machines or use advanced download managers.

Generates curl/wget commands that include browser session details.
Firefox extension
File Sharing Web Browsers
StratusBase

StratusBase

Free Personal

StratusBase was a cloud-based platform designed to empower users to build custom web databases and forms without requiring coding knowledge. It offered tools for data management, workflow automation, and reporting, leveraging the flexibility of the cloud.

Enables database creation without coding.
Cloud based
Random Agent Spoofer

Random Agent Spoofer

Open Source

Random Agent Spoofer is a Firefox add-on designed to enhance user privacy by regularly changing browser identifiers. It aims to combat browser fingerprinting techniques used by websites to track users across the web.

Specifically targets browser fingerprinting.
Firefox extension
Network & Admin Web Browsers
Keeper

Keeper

Commercial

Keeper is a robust cybersecurity platform providing password management, digital vault, and secure file storage for individuals and businesses of all sizes. It emphasizes strong encryption and zero-knowledge architecture to protect sensitive information across devices.

Strong zero-knowledge encryption model for enhanced data security.
Multi Account Switching
Security & Privacy
Showing 30 of results

Recently Added Firefox Apps and Services

Latest additions to our Firefox software collection

GGather

GGather

$ $

GGather is an advanced online bookmark manager and knowledge curation platform designed to help users organize, annotate, and share web content efficiently. It transcends traditional bookmarking by offering robust features like full-text search, visual bookmarks, dead link checking, and collaborative sharing, making it ideal for researchers, content creators, and anyone seeking a superior way to manage their digital information.

<p><strong>Comprehensive Content Capture:</strong> Ability to save entire web pa...
Bookmarks
News & Books Office & Productivity Online Services Photos & Graphics Social & Communications Web Browsers Working Remote
Burner Mail

Burner Mail is a privacy-focused email service that allows users to generate unlimited, disposable email aliases to protect their real email address from spam, marketing, and data breaches. It acts as a secure intermediary, forwarding emails to your primary inbox while keeping your personal information private, offering enhanced security and anonymity across various online platforms and services.

Generates unlimited disposable email aliases for enhanced privacy.
Anonymous email
Office & Productivity Security & Privacy Web Browsers
Gnash

Gnash

Open Source

Gnash is a free and open-source software player for SWF files, a format primarily used for Adobe Flash media. Developed as part of the GNU Project, it aimed to provide an independent and secure alternative to Adobe Flash Player, supporting various Flash functionalities for animation, video, and interactive web content, particularly during the widespread use of Flash on the internet.

Free and open-source software
Embeddable
Video & Movies
Floccus

Floccus

Open Source

Floccus is an open-source, cross-browser bookmark synchronization extension that prioritizes user privacy and data control. It allows users to sync their bookmarks across various web browsers, offering strong encryption and the flexibility of self-hosting, ensuring that your valuable bookmark data remains private and secure. Ideal for individuals and teams seeking an alternative to cloud-based, vendor-locked sync solutions.

Superior data privacy with end-to-end encryption.
Bookmarks
Web Browsers
Metastream

Metastream

Open Source

Metastream is a unique collaborative browsing platform that specializes in synchronized video streaming. It allows users to watch videos and browse the web together in real-time, fostering a shared experience. With integrated chat, private group options, and support for major streaming platforms, Metastream transforms passive viewing into an interactive social event, all without requiring any complex registration.

Flawless real-time content synchronization across all participants.
Google Chrome Extensions
Social & Communications Video & Movies Web Browsers
Tab Mix Plus

Tab Mix Plus is a powerful and highly customizable extension for Firefox and Pale Moon, designed to significantly enhance tab browsing. It offers extensive control over tab behavior, including session management, advanced tab manipulation, and robust crash recovery, making it an essential tool for power users.

Extremely deep customization of tab behavior.
Built-in e-Book converter
Web Browsers
PSDETCH

PSDETCH

Free

PSDETCH is an all-in-one browser-based platform designed to streamline the design-to-development workflow. It offers robust tools for collaborative design handoff, prototyping, and website building, catering to designers, developers, and teams looking for efficient project delivery from concept to deployment, operating both online and offline.

Comprehensive web-based platform, no installation required.
Browser based
Development Office & Productivity Photos & Graphics Remote Work & Education
Jellyfin

Jellyfin

Open Source

Jellyfin is a free and open-source media server that allows you to manage and stream your personal media library (movies, TV shows, music, photos) to any device in your home or remotely. It provides a powerful and flexible platform for accessing your content.

Completely free and open source with no hidden costs.
Ad-free
... Audio & Music Video & Movies
OneTab

OneTab

Free

OneTab is a browser extension for Chrome, Firefox, and Edge designed to significantly reduce memory usage and declutter your tab bar. By converting multiple open tabs into a single list, it optimizes performance and improves browsing organization.

Significantly reduces browser memory usage.
Google Chrome Extensions
OS & Utilities Web Browsers
Microsoft Silverlight

Microsoft Silverlight was a powerful, cross-platform browser plugin and runtime that enabled developers to create rich, interactive web and mobile applications with vector graphics, animations, audio, and video capabilities.

Enabled creation of visually rich and interactive web applications.
Browser extension
Development Web Browsers