Recursos Generales
- Background Notes Information by country, U.S. Department of State
- Biblioteca Virtual da América Latina
- Countries of the World Flags, maps, capitals, languages, religion, population, etc.
- Country and Regional Information Foreign Affairs and International Trade Canada
- Handbook of Latin American Studies
- IDB Summary Demographic Data
- Infomine Scholarly Internet resource collections
- Internet Archive
- The Internet Movie Database IMDB
- Internet Public Library IPL
- Librarians' Internet Index
- Martindale's The Reference Desk
- Multimedia Educational Resource for Learning and Online Teaching MERLOT
- NationMaster
- Open Directory Project dmoz
- United Nations Member States Useful Tools and Documents
- Useful Reference Sites UT Library Online, The University of Texas at Austin
- Ready Reference Web Sites Lakewood Public Library
- ReferenceDesk.org
- Research Resources for the Social Sciences
- Scholarly Societies Project University of Waterloo
- UMI Dissertation Publishing
- U.S. Trade and Development Agency USTDA, Latin America and the Caribbean
- World Factbook
- World Flag Database
- WWW Virtual Library
Abreviaturas/Acrónimos 
Biografías
- Biografías y Vidas
- Biographical Dictionary
- Biography.com
- Buscabiografías
- E-Biografías
- Time.com Most important people of the 20th century
Calculators
- Convert-me.com Interactive units converter
- Currency Converter
- X-rates.com Currency calculator
Diccionarios/Léxicos/Tesauros/Vocabularios
Guías
- Bartleby.com Dictionaries and encyclopedias
- The Glossarist Searchable directory of glossaries and topical dictionaries
- Linguist List
- OneLook Dictionaries Index to online dictionaries
- La Página del Idioma Español
- Yahoo! Dictionaries
- YourDictionary.com Links to language, specialized, and multilingual dictionaries
Español
- Diccionario de regionalismos de la lengua española
- Diccionarios.com Vox. Incluye español<=>inglés, español<=>francés, español<=>catalán, sinónimos y antónimos
- Real Academia Española RAE
Inglés
Portugués
- Ciberdúvidas da Língua Portuguesa
- Dicionário da Língua Portuguesa
- Nossa Língua Portuguesa TV Cultura
- Por Trás das Letras Hélio Consolaro
Bilingües/Multilingües
- Foreign Languages for Travelers Includes sound of words
- Majstro
- Reverso
- Travlang's Translating Dictionaries
- WordReference.com
Otros Idiomas Regionales
- Andean Heritage on the Web Diccionarios Quechua/Aymara & Gramatica Online
- Dialectos Indígenas de Argentina
- Diccionario electrónico trilingüe Guaraní-Español-Alemán
- Dictionary of the Spoken Taino Language Taino<=>Español
- Mayan Epigraphic Database University of Virginia
Especializados
- Business glossary English<=>Spanish
- Diccionario de Mitos y Leyendas Argentina, Bolivia, Brasil, Chile, República Dominicana, Ecuador, Paraguay, Perú, por equipo NAyA
- Diccionario de Términos Informáticos
- Dicionário de Folclore para Estudantes
- Dictionary of Units of Measurement
- Netdictionary Internet
- Online Computing Dictionary
- Verbos Inglés, Portugués, Francés, Español, Italiano, Alemán
- Vocabulario técnico de Marketing e Internet
- Whatis?com Information technology
Directorios
Por País
- Argentina Páginas Amarillas
- Belize Business Directory
- Brasil Telelistas
- Chile Business Directory
- The Colombian Yellow Pages Qué Hubo!
- Páginas Clasificadas Uruguay
- Venezuela Laguia, páginas amarillas
Internacionales
- Address Quality United States Postal Service, USPS
- AnyWho United States & Canada. White and yellow pages, toll free and Web
- Area Decoder
- Business Directory Information
- International White and Yellow Pages Country resources
- PaginasAmarillas.com Negocios en Latinoamérica
- SuperPages.com
- Telephone Directories International
- Yellowbook
Enciclopedias
- AllRefer Reference & Encyclopedia Resource
- Assorted Encyclopedias on the Web
- Britannica.com
- Columbia Encyclopedia
- Enciclonet Enciclopedia en español
- Encyclopedia Smithsonian
- Itaú Cultural Arte e Tecnologia, Artes Visuais, Literatura Brasileira, Teatro, Cinema e Vídeo
- Wikipedia
Gobierno
- Governments on the WWW
- University of Louisville Government Publications Page Has international information section
Guias de Citación
- Documenting Electronic Sources Purdue University Online Writing Lab, includes citation guidelines for specific disciplines
- Style Guides and Resources on the Internet IFLA
Horarios/Calendarios
Imágenes/Iconos/Símbolos
- GoGraph.com
- MediaBuilder
- Pictures Catalogue National Library of Australia
- Yahoo! Picture Gallery
Tiempo
- El canal del tiempo Weather channel
- INFOWeather
Traducción
- Babel Fish
- Foreignword.com Word and text translations, Find a Pro, etc.
- FreeTranslation
- PROMT Online