444 most popular websites in category Reference


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	Reference/Libraries/Digital Internet Archive URL: http://www.archive.org/ ODP description: A digital library of internet sites and other cultural artifacts in digital form. Includes a text archive of digitised books from Canadian libraries, Carnegie Mellon University, and Project Gutenberg.
	Reference/Encyclopedias How Stuff Works URL: http://www.howstuffworks.com/ ODP description: Over 50 'How Stuff Works' articles. Page title: HowStuffWorks - Learn how Everything Works!
	Reference/Dictionaries/World_Languages/E/English/Slang Urban Dictionary URL: http://www.urbandictionary.com/ ODP description: The vocabulary of everyday life. Page title: Urban Dictionary: Define Your World
	Reference/Libraries/Library_and_Information_Science/Software/Collection_Managers LibraryThing URL: http://www.librarything.com/ ODP description: Catalogs yours books online. Free for up to 200 titles. Page title: LibraryThing \| Catalog your books online Page description: LibraryThing catalogs your books online, easily, quickly and for free.
	Reference/Encyclopedias Wikipedia URL: http://wikipedia.org/ ODP description: A free encyclopedia with millions of articles contributed collaboratively using Wiki software, in dozens of languages.
	Reference/Knowledge_Management/Information_Overload/Relevance_Filtering StumbleUpon URL: http://www.stumbleupon.com/ ODP description: Free web-browser extension which acts as an intelligent browsing tool for discovering and sharing web sites; recommendation engine is based on explicit interests survey and feedback via site ratings. Features screen shots, toolbar guide and contact information. Page title: StumbleUpon Â» Welcome to StumbleUpon
	Reference/Knowledge_Management/Knowledge_Creation/Mind_Mapping/Software MindMeister URL: http://www.mindmeister.com/ ODP description: Collaborative web-based tool supporting unlimited simultaneous users. Users can create, edit and share maps on the Web. Page title: MindMeister - think together Page description: MindMeister, the first 100% web-based collaborative mind mapping tool
	Reference/Knowledge_Management/Knowledge_Discovery/Information_Visualization/Project s_and_Research Processing URL: http://processing.org/ ODP description: An interactive programming language targeted at letting non programmers explore graphical ideas. Processing is an electronic sketchbook for developing ideas. It is a context for learning fundamentals of computer programming within the context of the electronic arts. Page title: Processing 1.0 (BETA) Page description: Processing is an electronic sketchbook for developing ideas. It is a context for learning fundamentals of computer programming within the context of the electronic arts.
	Reference/Dictionaries/World_Languages/Multilingual WordReference.com URL: http://www.wordreference.com/ ODP description: Dictionary containing English to/from Spanish, French, German, and Italian, and a language forum. Page title: English to French, Italian & Spanish Dictionary - WordReference.com Page description: Free Online French, Italian and Spanish Dictionaries
	Reference/Dictionaries Farlex Free Dictionary URL: http://www.thefreedictionary.com/ ODP description: Collection of dictionaries by subject including medical and legal together with free and subscription encyclopedias, in ten languages. Page title: Online Dictionary, Encyclopedia and Thesaurus. Free access. Page description: Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia encyclopedia, Wikipedia encyclopedia, Hutchinson encyclopedia, examples from classic literature, pronunciations, word browser, glossary. Free access
	Reference/Libraries/Library_and_Information_Science/Technical_Services/Cataloguing/B ibliographic_Utilities Zotero URL: http://www.zotero.org/ ODP description: Open-source Firefox extension to aid the collection, management, and use of research sources. Details of features, project news, discussion forums, and free download. Page title: Zotero: The Next-Generation Research Tool
	Reference/Ask_an_Expert/Computers_and_Technology Stack Overflow URL: http://stackoverflow.com/ ODP description: A language-independent collaboratively edited question and answer site for programmers.
	Reference/Education/Colleges_and_Universities/North_America/United_States/Massachuse tts/Massachusetts_Institute_of_Technology MIT OpenCourseWare URL: http://ocw.mit.edu/ ODP description: News and information on the project to make the course materials used in the teaching of virtually all of MIT's courses available on the Web, free of charge, to any user anywhere in the world. Page title: MIT OpenCourseWare \| OCW Home
	Reference/Education/Instructional_Technology/Course_Website_Software Moodle URL: http://moodle.org/ ODP description: A free, open-source PHP web application for producing modular internet-based courses that support a modern social constructionist pedagogy. Easy to install, use and maintain on Linux, Windows and Mac OS X platforms. Page title: Moodle - A Free, Open Source Course Management System for Online Learning Page description: Moodle is a course management system (CMS) - a free Open Source software package designed to help educators create effective online courses based on sound pedagogical principles. You can download and use it on any computer you have handy (including webhosts), yet it can scale from a single-teacher site to a 40,000-student University. This site itself is created using Moodle, so for a quick demo look at Moodle Features courses or these other...
	Reference/Maps Flash Earth URL: http://www.flashearth.com/ ODP description: Satellite and aerial imagery of the Earth in Flash. Based on different data that can be chosen by a click. Page title: Flash Earth ...satellite and aerial imagery of the Earth in Flash Page description: Explore satellite and aerial imagery of the Earth from multiple sources inside a single, zoomable Flash-based interface.
	Reference/Encyclopedias/Subject_Encyclopedias Eric Weisstein's World of Mathematics URL: http://mathworld.wolfram.com/ ODP description: Glossary of terms. Material ranges from undergraduate to research level. Page title: MathWorld: The Web's Most Extensive Mathematics Resource
	Reference/Encyclopedias Bartlett's Familiar Quotations URL: http://www.bartleby.com/ ODP description: Searchable quotations site, provided in electronic format by Project Bartleby at Columbia University. Page title: Bartleby.com: Great Books Online -- Encyclopedia, Dictionary, Thesaurus and hundreds more Page description: Bartleby.com publishes thousands of free online classics of reference, literature and nonfiction
	Reference/Maps/Google_Maps Gmaps Pedometer URL: http://www.gmap-pedometer.com/ ODP description: A hack that uses Google's mapping application to help record distances traveled and calories burned during a running or walking workout. Page description: What is this? This is a little hack that uses Google's superb mapping application to help record distances traveled during a running or walking workout. Why? As a runner training for a marathon for the first time, I found myself wishing I had an easy way to know the exact distance a certain course is. Looking at Google Maps, and knowing there was a vibrant community of geeks hacking it, I knew there had to be a way.