Iran Top Sites for Reference


    A free encyclopedia built collaboratively using wiki software. (Creative Commons Attribution-ShareAlike License).


    An information source for scientific, technical, and medical research. Subscription required for some sections.


    Wikimedia is a global movement whose mission is to bring free educational content to the world.

    The Internet Archive

    Nonprofit organisation established to preserve Web sites by taking regular "snapshots". The Wayback Machine provides links to older versions of a webpage. There are special collections, for example on Web pioneers.


    wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual. Our multilingual how to manual has free step-by-step instructions on how to do all types of things.

    Quora Market Research

    Quora is your best source for knowledge. Quora aims to be the easiest place to write new content and share content from the web.

    Yahoo! Answers

    Ask questions and get answers from other people in the community.

    The Free Dictionary

    English, Medical, Legal, and Computer Dictionaries, Thesaurus, Encyclopedia, a Literature Reference Library, and a Search Engine all in one!

    شهردارى تهران

    شهرداري از نظر لغوي از دو كلمه «شهر» و «داري» تشكيل گرديده كه «داري» به معني اداره و مديريت و «شهر» پس از 1362 به جايي كه داراي شهرداري باشد اطل

    Wikimapia - Let's describe the whole world

    WikiMapia is an online map and satellite imaging resource that combines Google Maps with a wiki system, allowing users to add information (in the form of a note) to any location on earth.

    Cambridge Dictionary

    Free online dictionary from Cambridge University Press. - a free online encyclopedia and information reference. Research articles from Columbia Encyclopedia and Encyclopedia Britannica.

    The world's most popular dictionary and thesaurus with definitions, synonyms, antonyms, idioms, word origins, quotes, audio pronunciations, example sentences and Word of the Day! Look up the meaning of words, slang, phrases, idioms, and abbreviations in o (Elsevier)

    Scopus is the largest abstract and citation database of research literature and quality web sources. It s designed to find the information scientists need. Quick, easy and comprehensive, Scopus provides superior support of the literature research process.

    Online dictionary

    Online dictionary. Almost all languages available, millions of translations


    dictionary معجم المعاني قاموس عربي فوري متعدد اللغات والمجالات. قاموس عربي انجليزي ثنائي, قاموس عربي فرنسي , قاموس عربي اسباني, قاموس عربي برتغال

    Urban Dictionary

    A veritable cornucopia of streetwise lingo, posted and defined by its readers.


    Publisher of American English dictionaries and reference sources.


    Fast Persian to English and English to Persian Dictionary

    Oxford Dictionaries

    Dictionary by Oxford University Press. Answers questions on English grammar, spelling, and usage. Basic dictionary is free, premium content with subscription.

    Main Page La bibliothèque libre Свободная библиотека Die freie Quellensammlung La biblioteca libera Languages at Wikisource Languages at ...


    Collaborative project for creating a free lexical database in every language, complete with meanings, etymologies, and pronunciations. e-Print Archive

    Fully automated electronic archive and distribution server for research papers, hosted at the Los Alamos National Laboratory.

    Homepage - MAPNA Group

    MAPNA Group has secured significant and remarkable achievements in the area of industry and technology winning a world class status in the global market.


    Dictionary containing English to/from Spanish, French, German, and Italian, and a language forum.

    Collins Dictionaries. English, French, German, Spanish. Comprehensive Dictionaries, Always Free Online.



    Online version of Roget's II: The New Thesaurus, 3rd edition.

    The dictionary you can understand featuring definitions that actually make sense with example use cases for the most popular words. Be confident in your use of words! YourDictionary features original definitions with example use cases; definitions from th


    The Free Wiki World Map – An openly licensed map of the world being created by volunteers using local knowledge, GPS tracks and donated sources. Includes an interactive map and details of how to get involved.


    Free datasheet archive and search for electronic components and semiconductors.

    The first and most popular free online Farsi(Persian)/English Dictionary with easy to use Farsi keyboard, two-way word lookup, multi-language smart translator, English lessons, educational games, and more with mobile and smartphone support.

    EBSCO Publishing

    Offers a broad range of full text and bibliographic databases designed for research. Subject areas include: academic, biomedical, government, school, and corporate libraries. Requires registration.


    Members share their favorite recommendations - everything from the latest restaurants and shops, to the best hair salons and spas, to doctors and yoga instructors.


    ویرایشگر اینترنتی‌، تبدیل متن فارسی‌ نوشته شده با حروف لاتین به متن با حروف فارسی‌.


    Translation, dictionary, conjugation, grammar for English, French, Spanish, German, Italian, Russian, Chinese, Arabic, Japanese, Hebrew, Polish, Dutch ...

    Two-way lookup with over 630,000 keywords. User contributions are encouraged. Includes user recorded voices, vocabulary trainer and translation forum.

    Real-time ships positions worldwide. Watch vessels arrivals and departures at ports and get notifications. Full details of merchant vessels and historical itineraries


    Global catalog finds more than one billion items and growing, online articles and files as well as books and media in libraries near the searcher's computer location.