Ingenta
- On-line articles from 4500 journals in all fields and abstracts from 20,000 journals. Free access to bibliography.
- http://www.ingentaconnect.com/;jsessionid=1bs4i5g2fd8e2.henrietta

IEEE Computer Society Digital Library
- On-line access to 18 IEEE journals and to the proceedings of 150 conferences in computer science. Free access to abstracts and bibliography.
- http://www.computer.org/portal/site/csdl/index.jsp

ACM Digital Library
- 54,000 on-line articles from 30 journals and 900 proceedings of the Association for Computing Machinery. Free bibliography, some abstracts.
- http://portal.acm.org/dl.cfm?coll=portal&dl=ACM&CFID=975475&CFTOKEN=35520188

Inspec
- English-language bibliographic information service providing access to scientific and technical literature in physics, electrical engineering, electronics, communications, control engineering, computers, computing, information technology, manufacturing a
- http://www.iee.org/publish/inspec/

Safari Bookshelf
- Electronic reference library for programmers and IT professionals. The subscription service lets you search, annotate, read and build your own reference collection online.
- http://safaribooksonline.com/

IEEE Online Publications
- 650,000 on-line articles from 12,000 journals or conferences. Different levels of subscription are possible.
- http://www.ieee.org/products/onlinepubs

Science - Computer Technology databases
- List of (bibliographic) databases in computer sciences.
- http://library.dialog.com/bluesheets/html/bls0017.html#SB0017

FirstSearch
- Access to on-line publications and citations including computer sciences (for all fields: 11000 full-text journals, 75 databases and citations from 12500 journals).
- http://www.oclc.org/firstsearch/