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....

    Open Source Windows 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. You can use yEd to quickly create flow...

    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. No membership is required to ask questions or provide answers to questions...

    Free Web

  • 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. Anyone who...

    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. In addition to being able to vote for and against articles, Reddit...

    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. Superb reference and...

    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

  • 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. It doesn't matter if you are a...

    Free Windows Web Android iPhone ... Windows RT Android Tablet iPad

  • 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. We are an expert knowledge exchange: a place where physics...

    Free Web Android iPhone Android Tablet ... 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.

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

  • 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. Flashcards, lists, and mnemonics that are added by anyone are available...

    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. Zoho offers a peace of mind with ad-free and outstanding privacy and provides...

    Free Personal Web

  • 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. Each user can...

    Free Web Android iPhone

  • 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. You can buy ebooks for reading...

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

  • 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

  • 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. Mission: Creating a viable free open source alternative to...

    Open Source Mac Windows Linux 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. Our mission is to help developers write great software while staying out of...

    Open Source Mac Windows Linux Web ... BSD Self-Hosted

  • Coursera icon

    Coursera

    We are committed to making the best education in the world freely available to any person who seeks it. We envision people throughout the world, in both developed and developing countries, using our platform to get access to world-leading...

    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. Pricing (2/15/2016) Monthly Subscription — ...

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

  • Tiki Wiki CMS Groupware icon

    Tiki Wiki CMS Groupware

    Tiki Wiki CMS Groupware is a full-featured, web-based, multilingual (40+ languages), tightly integrated, all-in-one Wiki+CMS+Groupware, Free Source Software (GNU/LGPL), using PHP + Smarty, MySQL, Zend Framework, jQuery and Bootstrap. Tiki...

    Open Source Mac Windows Linux Web ... Self-Hosted PHP

  • 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. W3Schools presents thousands of...

    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. These experts teach more than 4 millions students through Udemy’s smart...

    Freemium Mac Windows Linux Web ... Android iPhone iPad