Mozilla Firefox Plugins, Add-ons and extension Page 41 of 72

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  1. Seamless icon
     1 like

    A cross-platform files and text sharing app based on Apple’s CloudKit. The fastest way to open link from your computer in your iPhone.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • iPhone
    • iPad
    • Google Chrome
    • Firefox
    Seamless screenshot 1
    Seamless screenshot 1
    Seamless screenshot 2
    9 alternatives
  2.  3 likes

    Browser extension to display GitHub code in tree format. Useful for developers who frequently read source in GitHub and do not want to download or checkout too many repositories. Features:Easy-to-navigate code tree like IDEs, Fast browsing with pjax, Support of private...

    Cost / License

    Platforms

    • Online
    • Google Chrome
    • Safari
    • Firefox
    3 alternatives
  3. Lazy Scholar icon
     2 likes

    A recent study by Khabsa & Giles (2014)* estimated that 24% of scientific papers are freely available through Google Scholar. In some scientific disciplines, it reached as high as 50%. Thus, Google Scholar can be a first stop to check for a free full text of a paper.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    • Google Chrome
    • Firefox
    Lazy Scholar screenshot 1
  4. Block ads on the right side of the screen when using Gmail, Yahoo Mail, Hotmail and Outlook.com which expand your message space

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Google Chrome
    • Firefox
    Webmail Ad Blocker screenshot 1
    Webmail Ad Blocker screenshot 1
    47 alternatives
  5. This provides features to handle multiple tabs at once, for example, close them, reload them, and so on. When you press the mouse button and dragging over tabs, they will be selected. (Note: The tab will be just moved, if you move the mouse quickly.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Firefox
    Selecting tabs and choosing command.
    Dragging on closeboxes can close tabs directly.
    Combination with "Tree Style Tabs"
    +1
    Combination with "Tab Catalog"
    1 alternatives
  6. Categorize, mix, match and mingle all your add-ons in one slick spot built into your browser. Migrate collections from machine to machine, ping your friends with top recommendations, and subscribe to collections you admire, so you'll hear when they grow.

    Cost / License

    • Free
    • Proprietary

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Firefox
    Collections view in the Add-ons Manager
    1 alternatives
  7. Survol icon
     1 like

    Survol is an open-source browser extension letting you preview any link you hover. It uses either API data or meta-data when there is no API.

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Google Chrome
    • Firefox
    Survol screenshot 1
    1 alternatives
  8. ForceHTTPS icon
     5 likes

    As wireless networks proliferate, web browsers operate in an increasingly hostile network environment. The HTTPS protocol has the potential to protect web users from network attackers, but real-world deployments must cope with misconfigured servers, causing imperfect web sites...

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Firefox
    8 alternatives
  9. Black Menu for Google gives you quick access to your favorite Google services with a convenient drop-down menu that lets you use Search, Google+, Translate, and many others without leaving the page you’re on.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Chrome OS
    • Google Chrome
    • Opera
    • Firefox
    Black Menu for Google screenshot 1
    Black Menu for Google screenshot 1
    Black Menu for Google screenshot 2
    +2
    Black Menu for Google screenshot 3
  10. GOSH icon
     Like

    GOSH.app is a free AI Powered Price Tracking Tool and Price Tracking Chrome Extension. Track product prices and stock levels at any store, anywhere using the magic of AI. Get instant alerts when prices drop, or the product comes back into stock.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    • Mozilla Firefox
    • Google Chrome
    GOSH screenshot 1
    GOSH screenshot 1
  11. Squire is an HTML5 rich text editor, which provides powerful cross-browser normalisation, whilst being supremely lightweight and flexible. It is built for the present and the future, and as such does not support truly ancient browsers.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Self-Hosted
    • Internet Explorer
    • Safari
    • Opera
    • Chromium
    • Firefox
    22 alternatives
  12. ActionAlly icon
     5 likes

    Use pomodoro-style work sessions to focus for specific periods of time.

    The remaining time in your session is subtly displayed in the menubar of OSX.

    ActionAlly can even block your most distracting sites just while in your session.

    Throughout the day, you can track how many se.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    • Online
    • Google Chrome
    • Firefox
    ActionAlly screenshot 1
    ActionAlly screenshot 1
    ActionAlly screenshot 2
    33 alternatives
  13. Drovio icon
     4 likes

    With Drovio, you can invite who you want on your screen, they all get their own mouse cursor appearing on it and can interact with your apps in real time, making you feel you are no more alone on your desktop!

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Google Chrome
    • Safari
    • Opera
    • Firefox
    Drovio screenshot 1
    Drovio screenshot 1
    Drovio screenshot 2
    +2
    Drovio screenshot 3
    103 alternatives
  14. Yasminoku icon
     4 likes

    Yasminoku is a sudoku game, generator and solver created by Joan Alba Maldonado on 25th of July 2006 which has been now improved.

    Cost / License

    • Free Personal
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Google Chrome
    • Firefox OS
    • Raspberry Pi
    • Opera
    • Chromium
    • Firefox
    Yasminoku screenshot 1
    Yasminoku screenshot 1
    Yasminoku screenshot 2
    +12
    Yasminoku screenshot 3
    43 alternatives
  15. CellSend icon
     3 likes

    CellSend is a free service that allows you to send texts from your computer to your phone in a fast and easy way.

    Cost / License

    • Free
    • Proprietary

    Alerts

    • Discontinued

    Platforms

    • Online
    • Google Chrome
    • Opera
    • Firefox
    CellSend screenshot 1
    CellSend screenshot 1
    CellSend screenshot 2
    +1
    CellSend screenshot 3
    25 alternatives
  16. WebRTC is a communication protocol that relies on JavaScript that can leak your actual IP address from behind your VPN, by default. This addon fixes that, making VPNs more effective [1].

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Firefox
    2 alternatives
  17. FoxClocks icon
     3 likes

    Extension for Firefox and Thunderbird shows multiple global time zones in the toolbar, supports Daylight Saving Time, and allows customizable city displays.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Thunderbird
    • Mozilla Firefox
    • Google Chrome
    FoxClocks screenshot 1
    FoxClocks screenshot 1
    24 alternatives
  18. Jelly Party icon
     5 likes

    Jelly Party is a free Chrome & Firefox extension for watching Netflix, YouTube, Disney+ and many more streaming services remotely with friends — in sync. It features integrated text-, voice- and video-chat.

    Cost / License

    • Free
    • Open Source

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Chrome OS
    • Google Chrome
    • Firefox
    Jelly Party screenshot 1
    Jelly Party screenshot 1
    Jelly Party screenshot 2
    +1
    Jelly Party screenshot 3
    23 alternatives
  19. spoonacular icon
     6 likes

    spoonacular is a free meal planning app that lets users save/organize their favorite grocery products and recipes, and add these to a weekly meal planner. Our meal planner automatically generates a shopping list and calculates daily nutritional info.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Google Chrome
    • Safari
    • Firefox
    spoonacular screenshot 1
    spoonacular screenshot 1
    spoonacular screenshot 2
    +6
    spoonacular screenshot 3
    6 alternatives
  20. MemoMe icon
     1 like

    Ever wanted to attach a memo to a web page? some personal information, which will be there on your next visits? Now you can - with MemoMe!

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Google Chrome
    • Firefox
    MemoMe screenshot 1
    MemoMe screenshot 1
    MemoMe screenshot 2