| 1. Article Sciences |
| Scientific article search and order engine, a service provided by Institut de l'Information Scientifique et Technique (INIST) of Centre National de la Recherche Scientifique (CNRS), France. |
| http://articlesciences.inist.fr/ |
| 2. CiteSeer |
| Search engine for computer science and related matters. For all results number of citations are given which allows to estimate the importance of a paper in a given context. Most of the papers are cached and available for direct download as postscript or PDF. |
| http://citeseer.ist.psu.edu/ |
| 3. ISI Highly Cited |
| A search tool to identify individuals, departments and laboratories that have made fundamental contributions to the advancement of science and technology in recent decades. |
| http://isihighlycited.com/ |
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| 4. Online Journals Search Engine |
| A multi-search tool that permits queries of a number of scientific journals. |
| http://www.ojose.com/ |
| 5. SciSeek |
| Science search engine and directory. Also provides forums, tools and related news. |
| http://www.sciseek.com/ |
| 6. Scirus |
| Search engine that fetches only scientific websites. |
| http://www.scirus.com/srsapp/ |
| 7. iSpecies |
| A species search engine from Rod Page of Glasgow University. Search on either the common or Latin name of a species. Results are generated by querying other data sources. |
| http://darwin.zoology.gla.ac.uk/~rpage/ispeci... |
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