OpenProject
OpenProject is an open source project management software with a wide set of features and plugins.
The Best 2773 Education and Reference Alternatives
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How-To Geek
We are an online tech magazine, dedicated to providing interesting articles, how-tos, and even fun trivia to our audience of geeky — and not-so-geeky readers.
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Quizlet
Simple tools for learning anything. Search millions of study sets or create your own. Improve your grades by studying with flashcards, games and more.
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Urban Dictionary
Urban Dictionary is a Web-based dictionary of slang words and phrases. Submissions are regulated by volunteer editors and rated by site visitors.
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Lumosity
Lumosity.com grounds all of its brain exercises in extensive research; Scientific Advisory Board includes researchers from such institutions as UCSF and Stanford.
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Nuclino
Nuclino is the easiest way to organize and share knowledge in teams. Create real-time collaborative documents and connect them instantly like a wiki. Use the tree, board, and graph view to explore and organize your knowledge visually.
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Everipedia
Everipedia removed some of the more annoying aspects of Wikipedia and created a site that is much easier to use. Notability requirements are eliminated and citations / editing are WYSIWYG.
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Iridium
Iridium is a free, open, and libre browser modification of the Chromium code base, with privacy being enhanced in several key areas.
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edabit.com
Learn to code (for free) with interactive challenges. Gain XP, unlock achievements and climb the leaderboard. It's the fastest, easiest, most addictive way to learn.
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Confluence
Leading collaboration software and enterprise wiki for intranets and knowledge management.
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ixquick
Ixquick protects your privacy! The only search engine that does not record your IP address. You have a right to privacy. Your search data should never fall into the wrong hands.
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Lunascape
Lunascape is a new web browser that handles all three major web rendering engines — Mozilla Firefox’s Gecko, Internet Explorer’s Trident, and WebKit (which is used by Google Chrome and Safari.
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wxMaxima
wxMaxima is a document based interface for the computer algebra system Maxima. wxMaxima uses wxWidgets and runs natively on Windows, X11 and Mac OS X.
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Livemocha
Livemocha is the world’s most popular language learning site. Learn online with our award winning course and practice with native speakers. Best way to learn a new language.
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Tripadvisor
Plan and have your perfect trip with TripAdvisor. With over 60 million reviews and opinions by real travelers, you'll find the best places to eat, sleep, and play, wherever you travel.
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Documents To Go
Create, view and edit native Microsoft Word, Excel and PowerPoint files The first and only commercially for $ 14.
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Rosegarden
Rosegarden is a well-rounded audio and MIDI sequencer, score editor, and general-purpose music composition and editing environment.
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NeoOffice
NeoOffice is a full-featured set of office applications (including word processing, spreadsheet, presentation, drawing, and database programs) for Mac OS X. Based on the OpenOffice.
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Libre Projects
A directory of free & open source hosted web applications and alternatives to many proprietary web services.
