Library guides
Subject: Information and Communication Sciences Computer science, Multimedia and TelecommunicationsSearch engines, meta-search engines and directories
Collection of multidisciplinary and thematic search engines, meta-search engines and directories that can help to find resources and materials for projects or teaching.
Multidisciplinary
Directory of online reference works that allow you to navigate by document type. It also has a search engine.
Directory of resources selected by the United States Library of Congress.
Meta-search engine that displays results in groups [Search Results Clustering Engine] and allows you to search PubMed and Wikipedia pages.
Open search engine for materials from catalogues of libraries that belong to WorldCat.
Multilingual directory with open content, originally known as Open Directory Project (ODP). This is a collective project that has managed to amass, via an extensive directory, a collection of highly useful resources.
[From 17 March 2017, dmoz.org is no longer available. Publishers have established a mirror]