Apps with 'Firefox Extension' feature

All apps in Apps with 'Firefox Extension' feature category. Use the filters below to narrow down your search. 
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  1. Bitwarden icon
     1248 likes

    Open-source password manager with AES-256 encryption and device sync. Store and access encrypted logins across platforms like iOS and Android.

    • Password Manager
    • FreemiumOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Apple Watch
    • Snapcraft
    • Microsoft Edge
    • Vivaldi
    • Google Chrome
    • Flathub
    • Microsoft SQL Server
    • Tor Browser
    • Safari
    • F-Droid
    • Software as a Service (SaaS)
    • Flatpak
    • Cloudron
    • Opera
    • Chocolatey
    • Mono
    • Brave
    • Mozilla Firefox
    • Docker
    Bitwarden screenshot 1
    Best alternatives are KeePass iconKeePassandKeePassXC iconKeePassXC211 alternatives
  2. uBlock Origin icon
     1737 likes

    This efficient browser add-on blocks ads, trackers, and malware by default employing various filter lists, acting as a comprehensive wide-spectrum blocker.

    • Ad Blocker
    • FreeOpen Source
    • Microsoft Edge
    • Vivaldi
    • Google Chrome
    • Pale Moon
    • Thunderbird
    • Opera
    • Node.JS
    • Chromium
    • Mozilla Firefox
    uBlock Origin screenshot 1
    Best alternatives are AdGuard iconAdGuardandAdblock Plus iconAdblock Plus113 alternatives
  3. Joplin icon
     822 likes

    Open source note-taking app with Markdown support, to-do integration, and synchronization with cloud services like Dropbox and OneDrive.

    • Note-taking Tool
    • FreemiumOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • AppImageHub
    • Snapcraft
    • Google Chrome
    • Flathub
    • PortableApps.com
    • F-Droid
    • Cloudron
    • Homebrew
    • Chocolatey
    • Termux
    • Mozilla Firefox
    Desktop and mobile apps
    Best alternatives are Obsidian iconObsidianandStandard Notes iconStandard Notes77 alternatives
  4. DuckDuckGo icon
     1514 likes

    Privacy-focused search engine offering Zero-click Info, instant answers, and more, built from open-source software for a user-friendly experience.

    • Web Search Engine
    • FreeProprietary
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Microsoft Edge
    • Vivaldi
    • Google Chrome
    • Safari
    • F-Droid
    • Yandex Browser
    • Tor
    • Opera
    • Mozilla Firefox
    DuckDuckGo Homepage
    Best alternatives are Startpage iconStartpageandSearx iconSearx114 alternatives
  5. MEGA icon
     901 likes

    Cloud-storage service with end-to-end encryption, selective synchronization, and shared folders without ads. Works offline and supports 2FA.

    • Cloud Storage Service
    • FreemiumProprietary
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • Windows Phone
    • iPad
    • Google Chrome
    • Mozilla Firefox
    MEGA screenshot 1
    Best alternatives are Nextcloud iconNextcloudandDropbox iconDropbox201 alternatives
  6. ActivityWatch icon
     528 likes

    Open-source app tracking time on devices, maintaining privacy and versatility, with features like productivity insights, Pomodoro timers, and local data storage.

    • Time Tracking Tool
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • Android Tablet
    • Self-Hosted
    • Google Chrome
    • Rust
    • Python
    • Chromium
    • Mozilla Firefox
    ActivityWatch screenshot 1
    ActivityWatch screenshot 2
    ActivityWatch screenshot 3
    Best alternatives are ManicTime iconManicTimeandRescueTime iconRescueTime80 alternatives
  7. Feedly icon
     1862 likes

    Organize and read content from RSS feeds into a magazine-like experience, simple sharing options, and seamless access across all devices.

    • RSS Reader
    • FreemiumProprietary
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Google Chrome
    • Safari
    • Kindle Fire
    • Mozilla Firefox
    Feedly screenshot 1
    Best alternatives are Inoreader iconInoreaderandNewsBlur iconNewsBlur305 alternatives
  8. Pocket icon
     921 likes

    Save articles to read offline, with browser and app integration across multiple platforms. Enjoy ad-free, dark mode, and text-to-speech features.

    • Bookmark Manager
    • FreemiumProprietary
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Google Chrome
    • Safari
    • Opera
    • Mozilla Firefox
    • Microsoft Edge
    Pocket screenshot 1
    Best alternatives are wallabag iconwallabagandRaindrop.io iconRaindrop.io168 alternatives
  9. Floorp icon
     94 likes

    The Floorp project is a project that seeks privacy and a balance between anonymity and the public nature of the web.

    • Web Browser
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Flathub
    • Flatpak
    Floorp screenshot 1
    Best alternatives are Mozilla Firefox iconMozilla FirefoxandBrave iconBrave121 alternatives
  10. Zotero icon
     435 likes

    Zotero is a free, easy-to-use tool to help you collect, organize, share research and cite your research sources directly in your favourite word processor, with 300 MB free online storage.

    • Research Manager
    • FreemiumOpen Source
    • Mac
    • Windows
    • Linux
    • iPhone
    • iPad
    • Microsoft Edge
    • Google Chrome
    • Safari
    • Microsoft Word
    • Google Docs
    • LibreOffice
    • Mozilla Firefox
    Zotero screenshot 1
    Best alternatives are Mendeley iconMendeleyandQiqqa iconQiqqa72 alternatives
  11. Waterfox icon
     385 likes

    Experience fast browsing on 64-bit systems with enhanced privacy controls. Waterfox, based on Mozilla, ensures speed with Intel's C++ compiler.

    • Web Browser
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • Android Tablet
    Regular Window
    Best alternatives are Mozilla Firefox iconMozilla FirefoxandBrave iconBrave57 alternatives
  12. Adblock Plus icon
     1738 likes

    Adblock Plus is a free extension that allows you to - among other things - block annoying ads, disable tracking and block domains known to spread malware.

    • Ad Blocker
    • FreeOpen Source
    • iPhone
    • Chrome OS
    • iPad
    • Microsoft Edge
    • Internet Explorer
    • Vivaldi Browser
    • Google Chrome
    • Safari
    • Yandex.Browser
    • Opera
    • Firefox
    Adding a filter
    Best alternatives are uBlock Origin iconuBlock OriginandAdGuard iconAdGuard124 alternatives
  13. Wayback Machine icon
     297 likes

    With the power of the Wayback Machine, you can go back in time to see how a website has changed and evolved through the history of the Web.

    • Web Archiving Service
    • FreeProprietary
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Google Chrome
    • Safari
    • Mozilla Firefox
    Wayback Machine screenshot 1
    Best alternatives are Archive.today iconArchive.today23 alternatives
  14. DownThemAll icon
     828 likes

    DownThemAll (or just dTa) is a powerful yet easy-to-use browser extension for Firefox, Chrome and Opera that adds new advanced download capabilities to your browser. DownThemAll lets you download all the links or images contained in a webpage and much more: you can refine your...

    • Download Manager
    • FreeOpen Source
    • Microsoft Edge
    • Google Chrome
    • Pale Moon
    • Opera
    • Mozilla Firefox
    DownThemAll screenshot 1
    Best alternatives are JDownloader iconJDownloader107 alternatives
  15. Privacy Badger icon
     297 likes

    Privacy Badger is a browser-add on tool that analyzes sites to detect and disallow content that tracks you in an objectionable, non-consensual manner. When you visit websites, your copy of Privacy Badger keeps note of the "third party" domains that embed images...

    • Ad Blocker
    • FreeOpen Source
    • Microsoft Edge
    • Google Chrome
    • Opera
    • Mozilla Firefox
    Overview of Privacy Badger extension
    Best alternatives are uBlock Origin iconuBlock Origin65 alternatives