Apps for the Web with any license

  • Wikipedia

    Wikipedia is a free, multilingual encyclopedia project supported by the non-profit Wikimedia Foundation. Wikipedia has 17 million articles (3.5 million in English), which have been written collaboratively by volunteers around the world.

    Free Open Source Web Android iPhone Blackberry Android Tablet Kindle Fire MediaWiki

  • Google Translate icon

    Google Translate

    Google Translate is a free online translation service that can instantly translate text and web pages between over 50 languages. The iPhone and Android versions offer voice input.

    Free Web Android iPhone S60 Blackberry Chrome OS Android Tablet iPad

  • yEd Graph Editor icon

    yEd Graph Editor

    yEd is a powerful diagram editor that can be used to quickly create diagrams manually or import external data for analysis and auto-magically arrange even large data sets by just pressing a button.

    Free Mac Windows Linux Web BSD

  • Stack Overflow icon

    Stack Overflow

    Stack Overflow, part of Stack Exchange , is a free, community-driven, reputation-based Q & A site for computer programmers.

    Free Web Android iPhone

  • Anki icon

    Anki

    Anki is a program which makes remembering things easy. Because it is a lot more efficient than traditional study methods, you can either greatly decrease your time spent studying, or greatly increase the amount you learn.

    Free Open Source Mac Windows Linux Web Android iPhone BSD iPad

  • Reddit icon

    Reddit

    Reddit is a social news site allowing users to submit articles, vote on them, and engage in discussions. Like other social news websites, Reddit is divided into categories.

    Freemium Web Android iPhone

  • Qiqqa icon

    Qiqqa

    Qiqqa is free award-winning knowledge-, research- and reference management software. If you're serious about getting the most from managing your publications, PDFs and bibliographies, Qiqqa is for you.

    Freemium Windows Web Android Android Tablet

  • Mendeley icon

    Mendeley

    Mendeley helps manage and share academic knowledge: Mendeley Desktop is free academic software (Windows, Mac, Linux) for organizing and sharing research papers and generating bibliographies with 1GB of free online storage to automatically...

    Freemium Mac Windows Linux Web iPhone iPad

  • Duolingo icon

    Duolingo

    Learn Spanish, French, German, Portuguese, Italian, Irish, Dutch, Danish, Esperanto, English and more. Totally fun and 100% free.

    Freemium Web Android iPhone Windows RT Android Tablet Windows Phone iPad Android Wear ... Kindle Fire

  • Stack Exchange icon

    Stack Exchange

    Stack Exchange is a fast-growing network of 84 [and counting] question and answer sites on diverse topics from software programming to cooking to photography and gaming.

    Free Web Android iPhone Android Tablet iPad

  • Khan Academy icon

    Khan Academy

    Khan Academy is not-for-profit with the goal of changing education for the better by providing a free world-class education to anyone anywhere. All of the site's resources are available to anyone.

    Free Windows Web Android iPhone Windows RT Android Tablet iPad

  • Amazon Kindle icon

    Amazon Kindle

    Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and Android-based device. You can discover and read over 630,000 books in the Kindle Store, including the latest bestsellers and new releases.

    Free Mac Windows Web Android iPhone Blackberry Android Tablet Windows Phone ... iPad

  • Codecademy icon

    Codecademy

    Codecademy is the easiest way to learn how to code. It's interactive, fun, and you can do it with your friends.

    Freemium Web

  • TiddlyWiki icon

    TiddlyWiki

    TiddlyWiki is a highly customizable notewiki for capturing, organising and sharing complex information.

    Free Open Source Mac Windows Linux Web BSD Self-Hosted Xfce

  • Quora icon

    Quora

    Quora.com is a question/answer service allowing users to pose questions that other users can answer, each question and answer can have comments, each users can write one individual answer and there can be a summary answer.

    Free Web Android iPhone

  • Memrise icon

    Memrise

    Memrise is a free tool for learning vocabulary in multiple languages, using enhanced flashcards, powerful memory techniques, spaced repetition, and community sharing.

    Freemium Web Android iPhone Windows Phone Kindle Fire

  • Zoho icon

    Zoho

    Zoho is an all-in-one online office suite. Zoho geares itself towards businesses, increasing your productivity and offering easy, real-time collaboration.

    Free Personal Web

  • Trac icon

    Trac

    Trac is an enhanced wiki and issue tracking system for software development projects. Trac uses a minimalistic approach to web-based software project management.

    Free Open Source Mac Windows Linux Web BSD Self-Hosted

  • Mathematica icon

    Mathematica

    Mathematica is a computational software program used widely in scientific, engineering, and mathematical fields and other areas of technical computing.

    Commercial Mac Windows Linux Web

  • Google Play Books icon

    Google Play Books

    Google Play Books lets you search, preview, and buy millions of books using Google Book Search. Books in the public domain and certain copyrighted books can be read and downloaded in their entirety for free.

    Free Web Android iPhone Chrome OS Android Tablet iPad

  • Sage icon

    Sage

    Sage is a free open-source mathematics software system licensed under the GPL. It combines the power of many existing open-source packages into a common Python-based interface.

    Free Open Source Mac Windows Linux Web

  • Coursera icon

    Coursera

    We are committed to making the best education in the world freely available to any person who seeks it.

    Freemium Web Android iPhone Android Tablet Windows Phone iPad

  • Grammarly icon

    Grammarly

    Grammarly Editor is an automated proofreader that corrects contextual spelling mistakes, checks for more than 250 common grammar errors, enhances vocabulary usage, and suggests citations.

    Freemium Windows Web Chrome Microsoft Office Outlook Safari Microsoft Office Word Firefox

  • W3Schools icon

    W3Schools

    W3Schools is a web developers information website, with tutorials and references on web development languages such as HTML, CSS, JavaScript, PHP, SQL, and JQuery, covering most aspects of web programming.

    Free Web

  • Udemy icon

    Udemy

    With more than 20 000 courses thousands of experts teach on Udemy including New York Times best-selling authors, CEOs, Ivy League professors and celebrity instructors.

    Commercial Mac Windows Linux Web Android iPhone iPad