• Adblock Plus

    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.

    Open Source Mac Windows Linux Android ... Chrome OS Android Tablet BSD Internet Explorer Vivaldi Browser Chrome Safari Yandex.Browser Opera Firefox

  • LastPass

    Password Manager, Auto Form Filler, Random Password Generator & Secure Digital Wallet App.

    Freemium Mac Windows Linux Web ... Android iPhone S60 Blackberry Android Tablet BSD Windows Phone iPad Internet Explorer Vivaldi Browser Chrome Maxthon Opera Firefox

  • Inoreader

    Dive into your favorite content. The content reader for power users who want to save time.

    Freemium Web Android iPhone Chrome OS ... Android Tablet Windows Phone iPad Chrome Safari Kindle Fire Opera Firefox

  • uBlock Origin icon

    uBlock Origin

    Popular and efficient blocker for Chromium, Chrome, Edge, Firefox, Opera, Safari, Thunderbird. Fast and lean.

    Open Source Mac Windows Linux Microsoft Edge ... Vivaldi Browser Chrome Safari Opera Chromium Firefox

  • DuckDuckGo icon

    DuckDuckGo

    DuckDuckGo is an alternative search engine that has rich features, respects your privacy, and is built from free/open-source software. • Zero-click Info - Useful information above the links. • More Privacy - We do not track you.

    Free Web Android iPhone Android Tablet ... iPad Vivaldi Browser Chrome Safari Yandex.Browser Opera Firefox

  • DownThemAll icon

    DownThemAll

    DownThemAll (or just dTa) is a powerful yet easy-to-use Mozilla Firefox extension that adds new advanced download capabilities to your browser.

    Open Source Mac Windows Linux BSD ... PortableApps.com Firefox

  • XMarks icon

    XMarks

    Xmarks is a cross-browser, bookmark-synchronization service for Internet Explorer, Firefox, Chrome, Safari, iPhone, Android & iPad. Xmarks also offers search enhancement and web discovery based on sites bookmarked by users.

    Freemium macOS Windows Linux Web ... Android iPhone Blackberry iPad Internet Explorer Chrome Safari Firefox

  • Firebug icon

    Firebug

    Firebug integrates with Firefox to put a wealth of web development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page.

    Open Source Mac Windows Linux Firefox

    • Discontinued The Firebug extension isn't being developed or maintained any longer. The team advised to use the built-in https://alternativeto.net/software/firefox-developer-tools/ , which ship with Firebug.next Last version of Firebug, 2.0.18, released October 7, 2016, is still compatible with Firefox, but only if the browser's multi-process architecture is not enabled.
  • MEGA icon

    MEGA

    You hold the security keys for 50 GB free storage, unlimited desktop sync bandwidth, and 10 GB per month of free bandwidth for sharing with other accounts.

    Freemium Mac Windows Linux Web ... Android iPhone Blackberry Android Tablet Windows Phone iPad Blackberry 10 Chrome Firefox

  • 1Password icon

    1Password

    1Password creates strong, unique passwords for all of your sites and logs you in with a single tap (or click). A single click opens your browser, opens a site, fills in your username and password, and logs you in.

    Commercial Mac Windows Web Android ... iPhone Android Tablet iPad Apple Watch Vivaldi Browser Chrome Safari Yandex.Browser Opera Firefox

  • Greasemonkey icon

    Greasemonkey

    Customize the way a web page displays or behaves, by using small bits of JavaScript.

    Open Source Mac Windows Linux Firefox

  • Papaly icon

    Papaly

    Papaly is a simple social bookmarking tool to manage all your links. Create custom boards and categories. Share and follow topics of interest to discover new content.

    Free Web iPhone Chrome OS Chrome ... Firefox

  • Imgur icon

    Imgur

    Imgur is a free and simple image hosting service with image editing feature. Signup is optional. Imgur is pronounced like image-er; imager. The maximum non-animated file size you can upload is 10MB.

    Freemium Mac Windows Linux Web ... Android iPhone BSD Wordpress Firefox

  • StumbleUpon icon

    StumbleUpon

    StumbleUpon discovers web sites based on your interests, learns what you like and brings you more.

    Free Windows Linux Web Android ... iPhone iPad Chrome Firefox

  • Pencil Project icon

    Pencil Project

    Pencil is a standalone app or Firefox extension that lets you create diagrams or UI mockups. It doesn't have collaboration/multi-user features.

    Open Source Mac Windows Linux PortableApps.com ... Electron / Atom Shell Firefox

  • Delicious icon

    Delicious

    Delicious is a social bookmarking service that allows users to tag, save, manage and share web pages from a centralized source.

    Free Web Android iPhone Android Tablet ... iPad Chrome Firefox OS Firefox

    • Discontinued Delicious has been acquired by https://alternativeto.net/software/pinboard/ . Since June 15 2017, the service is into read-only mode and users can export their bookmarks elsewhere. https://blog.pinboard.in/2017/06/pinboard_acquires_delicious/
  • Ghostery icon

    Ghostery

    Ghostery sees the invisible web - tags, web bugs, pixels and beacons. Ghostery tracks the trackers and gives you a roll-call of the ad networks, behavioral data providers, web publishers, and other companies interested in your activity.

    Free Mac Windows Linux Android ... iPhone Android Tablet iPad Vivaldi Browser Chrome Safari Yandex.Browser Opera Firefox

  • HTTPS Everywhere icon

    HTTPS Everywhere

    HTTPS Everywhere is a browser extension produced as a collaboration between The Tor Project and the Electronic Frontier Foundation. It encrypts your communications with a number of major websites.

    Open Source Windows Linux Android Android Tablet ... BSD Vivaldi Browser Chrome Yandex.Browser Opera Chromium Firefox

  • NoScript icon

    NoScript

    Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

    Open Source Mac Windows Linux BSD ... Firefox

  • Todoist icon

    Todoist

    Todoist is a task manager thats useful, fast and easy to use. Accomplish more, every day. Millions of people rely on Todoist to get things done. Todoist lets you manage your tasks anywhere. At home. At school. At work. Online.

    Freemium Mac Windows Web Android ... iPhone Chrome OS Android Tablet Windows Phone iPad Chrome Microsoft Office Outlook Android Wear Gmail Firefox

  • Diigo icon

    Diigo

    Better reading and research with annotations, highlighter, sticky notes, archiving, bookmarking and more.

    Freemium Web Android iPhone iPad ... Internet Explorer Chrome Safari Firefox

  • ShareX icon

    ShareX

    ShareX is a free and open source program that lets you capture or record any area of your screen and share it with a single press of a key. It also allows uploading images, text or other types of files to over 80 supported destinations.

    Open Source Windows Chrome Firefox

  • Zotero icon

    Zotero

    Zotero is a free, easy-to-use Firefox/Chrome extension or standalone program to help you collect, organize, manage, search and cite your research sources directly in your favourite word processor, with 300 MB free online storage.

    Open Source Mac Windows Linux Chrome ... Safari Microsoft Office Word LibreOffice Firefox

  • ZenMate icon

    ZenMate

    ZenMate is an easy to use Browser plugin that provides a VPN solution - encrypting all your browser traffic and routing it through our ZenMate cloud to provide a secure and private browsing experience.

    Commercial Mac Windows Web Android ... iPhone Android Tablet iPad Vivaldi Browser Chrome Maxthon Yandex.Browser Opera Chromium Firefox

  • Springpad icon

    Springpad

    Springpad makes it easy to save notes, products and places you want to remember - from tasks and lists to products, places, movies, recipes and more.

    Free Personal Web Android iPhone iPad ... Chrome Kindle Fire Firefox

    • Discontinued Springpad ceased operations on June 25, 2014.